Inventor

Yasuo Tanaka

Inventor

Tokyo, JP

Overview

1976–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 161 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Jprimary

H01JElectric discharge tubes or discharge lamps7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

C08LCompositions of macromolecular compounds6%

Y10TTechnical subjects covered by former us classification5%

G03GElectrography4%

H05KPrinted circuits3%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%

H10DInorganic electric semiconductor devices3%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

10,777,499Semiconductor module, method for manufacturing the same and power conversion apparatus2020 10,679,795Electrolytic capacitor and method for manufacturing same2020 10,475,590Electrolytic capacitor and method for producing same2019 9,678,407'Focal-plane shutter for camera and digital camera equipped therewith'2017 9,622,508'Method for preparing flavor-containing sheet for smoking article, flavor-containing sheet for smoking article prepared by the method, and smoking article comprising the same'2017 9,548,164'Organic conductor, method for producing organic conductor, electronic device, and solid electrolytic capacitor'2017 9,526,271'Method for preparing flavor-containing sheet for smoking article, flavor-containing sheet for smoking article prepared by the method, and smoking article comprising the same'2016 9,491,969'Method for preparing flavor-containing sheet for smoking article, flavor-containing sheet for smoking article prepared by the method, and smoking article comprising the same'2016 9,450,698'Optical transmission device, optical transmission system, and optical transmission method'2016 9,373,449'Solid electrolytic capacitor'2016 9,270,382'Optical communication apparatus and control method thereof'2016 9,229,296'Focal-plane shutter for camera and digital camera equipped therewith'2016 9,101,165'Cigarette with increased volatile flavor delivery'2015 8,891,966'Optical communication device and signal adjusting method'2014 8,794,848'Optical module'2014 8,265,849'Drive system for electrically driven dump truck'2012 8,249,765'Drive system for electrically driven dump truck'2012 7,989,081'Resin composite copper foil, printed wiring board, and production processes thereof'2011 7,977,229'Method for fabricating resin-molded semiconductor device having posts with bumps'2011 D0640586'Indoor and outdoor decorative article'2011 D0640587'Case for holding decorative article'2011 7,947,593'Method of manufacturing a semiconductor device having an intermetallic terminal pad and solder junction structure'2011 7,863,837'Drive system for electrically driven dump truck'2011 7,797,935'Hydraulic drive device for dump truck'2010 7,788,221'Electronic file conversion program, electronic file conversion apparatus, electronic file conversion system, computer data signal, and electronic conversion method'2010 7,767,553'Method and apparatus for printing conductive ink'2010 7,740,323'Hydraulic drive device for vertical pivoting movement of load carrying platform'2010 7,704,801'Resin for sealing semiconductor device, resin-sealed semiconductor device and the method of manufacturing the semiconductor device'2010 7,696,009'Method for fabricating a semiconductor device having a heat radiation layer'2010 7,601,051'Grinding machine having grinder head and method of manufacturing semiconductor device by using the grinding machine'2009 7,547,624'Semiconductor device and method of producing the same'2009 7,529,837'Device and method for changing instruction description, and storage medium storing program for changing instruction'2009 7,436,073'Junction structure for a terminal pad and solder, and semiconductor device having the same'2008 7,405,138'Manufacturing method of stack-type semiconductor device'2008 7,389,061'Cleaning device and image forming apparatus having a cleaning brush and a collection roller that move in the same direction at a contact area therebetween'2008 7,388,297'Semiconductor device with reduced thickness of the semiconductor substrate'2008 7,307,337'Resin-molded semiconductor device having posts with bumps and method for fabricating the same'2007 7,172,162'Clamp device for pipe or similar component'2007 7,140,103'Process for the production of high-density printed wiring board'2006 7,127,191'Cleaning device for collecting toner on a surface of an image forming apparatus'2006 7,078,265'Method for fabricating a semiconductor device having a heat radiation layer including forming scribe lines and dicing'2006 7,075,221'Projection tube having different neck diameters'2006 7,019,397'Semiconductor device, manufacturing method of semiconductor device, stack type semiconductor device, and manufacturing method of stack type semiconductor device'2006 6,998,767'Projection tube having different neck diameters'2006 6,969,562'Fuel cell power generation method and system'2005 6,936,660'Resin compositions and use of the same'2005 6,933,179'Method of packaging semiconductor device'2005 6,911,722'Resin-molded semiconductor device having posts with bumps'2005 6,899,533'Apparatus for making semiconductor device'2005 6,882,050'Semiconductor device and method of manufacturing same'2005 6,830,053'Cigarette wrapper paper with suppressed scattering of ash'2004 6,815,913'Cathode ray tube'2004 6,750,422'Method of making through hole with laser, copper-clad laminate suitable for making hole, and auxiliary material for making hole'2004 6,746,955'Method of manufacturing a semiconductor device including a heat treatment procedure'2004 6,741,020'Cathode ray, tube including an electron gun having specific relation of axial length of focus electrode and focus electrode-screen distance'2004 6,713,562'Resin compositions and use of the same'2004 6,699,735'Semiconductor device and method for manufacturing the semiconductor device'2004 6,686,055'Polypropylene composite film'2004 6,683,137'Intermediate coating composition, method for forming multilayered coating films and multilayered coating films'2004 6,624,559'Cathode ray tube'2003 6,611,523'ATM cell multiplexer'2003 6,583,547'Cathode ray tube with UPF type electron gun having particular electrode structure and spacing'2003 6,579,935'Polyester resin composition'2003 6,577,052'Electron gun for cathode ray tube'2003 6,562,658'Method of making semiconductor device having first and second sealing resins'2003 6,507,143'Cathode ray tube including an electron gun having specific relation between axial length of focus electrode and lens-screen distance'2003 6,436,494'Polypropylene resin composition and non-stretched film thereof'2002 6,421,521'Image forming apparatus forming an image by transferring each of the plurality of images formed by a plurality of image forming devices onto a transfer medium by means of transfer members'2002 6,414,088'Resin compositions and use of the same'2002 6,403,719'Flexible resin composition and uses thereof'2002 6,353,267'Semiconductor device having first and second sealing resins'2002 6,337,463'Method of making through hole with laser, copper-clad laminate suitable for making hole, and auxiliary material for making hole'2002 6,280,641'Printed wiring board having highly reliably via hole and process for forming via hole'2001 6,242,535'Hollow vessel for heat sterilization'2001 6,214,447'Laminating propylene/1-butene random copolymer composition and composite film using the same'2001 6,191,219'Polypropylene resin composition and non-stretched film thereof'2001 6,122,598'Measurement and display of load of excavating blasted ground'2000 6,075,091'Composition of polyamide and acid or anhydride-grafted ethylene/C6-C20 .alpha.-olefin copolymer'2000 6,055,851'Apparatus for diagnosing failure of hydraulic pump for work machine'2000 6,031,326'Electron gun with electrode supports'2000 6,021,287'Image forming apparatus having transfer devices and method for setting transfer voltage applied to the transfer devices'2000 6,020,603'Semiconductor device with a beveled and chamfered outer peripheral portion'2000 6,008,297'Polyamide resin composition and process for producing the same'1999 6,002,197'Metal halide lamp light source device having conducting wire positioned to prevent it from casting a shadow'1999 5,998,039'Polypropylene composition and uses thereof'1999 5,995,886'System for estimating residual service time of work vehicle'1999 5,978,637'Image forming apparatus capable of obtaining stable transfer using a particular transfer roller'1999 5,932,658'Coating of carboxyl-containing acrylic copolymer and epoxy-containing acrylic copolymer'1999 5,894,190'Color cathode ray tube having a large-diameter lens'1999 5,893,661'Image forming apparatus'1999 5,889,573'Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment'1999 5,719,408'Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment'1998 5,701,569'Image forming apparatus with transfer member and parallel circuit of grounded electrode and power supply'1997 5,695,566'Apparatus and method for plasma-processing'1997 5,672,523'Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment'1997 5,649,433'Cold evaporator'1997 5,642,145'Image forming apparatus'1997 5,633,320'Thermoplastic polyester resin composition'1997 5,585,290'Method of manufacturing a thin film transistor substrate'1996 5,528,350'Image forming apparatus with removal of excess toner'1996 5,460,873'Cover fabric with latex foam backing and integrally foamed article using the same'1995 5,382,333'Process for producing copper clad laminate'1995 5,377,649'Lubricating device for engine-driven supercharger'1995 5,359,206'Thin film transistor substrate, liquid crystal display panel and liquid crystal display equipment'1994 5,350,062'Wrapper of film unit with lens'1994 5,343,026'Magnetic card reader/writer with selectable frequencies relative to motor speed for variable recording densities'1994 5,316,785'Method and apparatus of forming a coating film on an inner surface of a panel of a cathode ray tube'1994 D0344532'Disposable camera'1994 5,287,152'Electric charge supplying device and system employing the same'1994 5,287,146'Contact type charging device having voltage limiter'1994 5,285,642'Load sensing control system for hydraulic machine'1994 5,262,828'Developing bias power unit for use in an image forming apparatus'1993 5,252,355'Process for producing multilayered printed board'1993 5,200,634'Thin film phototransistor and photosensor array using the same'1993 5,170,625'Control system for hydraulic pump'1992 5,087,767'Method for preparing bisphenol A'1992 5,076,864'Process for producing multilayer printed wiring board'1991 5,056,846'Partition plate for automotive vehicle'1991 5,056,312'Hydraulic drive system for construction machines'1991 5,056,858'Partition plate for automotive vehicle'1991 5,050,926'Partition plate for automotive vehicle'1991 5,032,531'Method of manufacturing active matrix panel'1991 5,028,656'Resin composition, and molded articles therefrom'1991 5,026,764'Resin composition based on modified polyphenylene ether and polyphenylene sulfide, and molded articles therefrom'1991 4,990,981'Thin film transistor and a liquid crystal display device using same'1991 4,980,606'Electron beam focusing device for use in a CRT'1990 4,967,557'Control system for load-sensing hydraulic drive circuit'1990 4,965,489'Electron gun for cathode-ray tube'1990 4,906,347'Dry-etching apparatus'1990 4,855,795'Photosensor'1989 4,834,458'Seat cushion structure'1989 4,812,839'System for controlling network activation sequence'1989 4,809,504'Control system for controlling input power to variable displacement hydraulic pumps of a hydraulic system'1989 4,811,142'Magnetic head for vertical magnetic recording and method of producing same'1989 4,780,780'Magnetic head'1988 4,768,121'Magnetic head formed by composite main pole film and winding core for perpendicular magnetic recording'1988 4,766,594'Digital network system having arrangement for testing digital subscriber line'1988 4,754,273'System for controlling network activation sequence'1988 4,711,136'Power transfer device for four-wheel drive'1987 4,696,588'Non-separable thrust rolling bearing'1987 D0290253'Digital audio compact disk player'1987 D0290002'Combined tape recorder, tuner, amplifier and record player'1987 D0288559'Digital audio compact disk player'1987 4,599,583'Mixed dual frequency generating system'1986 4,556,816'Photoelectric device'1985 4,554,478'Photoelectric conversion element'1985 4,508,414'Shielded cable-connector assembly'1985 4,495,409'Photosensor with diode array'1985 4,465,673'Pentagalloylglucose antiviral composition'1984 4,457,949'Method of producing a photoelectric conversion layer'1984 4,430,185'Method of producing photoelectric transducers'1984 4,419,604'Light sensitive screen'1983 4,412,900'Method of manufacturing photosensors'1983 4,405,879'Photoelectric conversion device and method of producing the same'1983 4,394,749'Photoelectric device and method of producing the same'1983 4,380,557'Method of production of image pickup device'1983 D0260787'Simulative kite'1981 4,285,333'Solar energy collecting system'1981 4,228,977'Kite'1980 4,179,895'Cooling system using low potential and high potential energies'1979 3,941,672'Method of manufacturing light sensitive heterodiode'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2006Patents assigned to HITACHI LTD (31)· patent assignee history

1976–1999Based in Koganei, JP· patent location history

1979–2020Based in Tokyo, JP· patent location history

1983–1985Based in Kokubunji, JP· patent location history

1986–2012Based in Yokohama, JP· patent location history

1989–2012Patents assigned to HITACHI CONSTRUCTION MACHINERY (13)· patent assignee history

1990–2006Based in Ichihara, JP· patent location history

1991–2011Patents assigned to MITSUBISHI GAS CHEMICAL CO (10)· patent assignee history

1999–2005Patents assigned to MITSUI CHEMICALS INC (13)· patent assignee history

2002–2008Patents assigned to OKI ELECTRIC IND CO LTD (14)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	31	1976–2006
OKI ELECTRIC IND CO LTD	14	2002–2008
HITACHI CONSTRUCTION MACHINERY	13	1989–2012
MITSUI CHEMICALS INC	13	1999–2005
MITSUBISHI GAS CHEMICAL CO	10	1991–2011

Locations

Location	Patents	Span
Tokyo, JP	47	1979–2020
Ichihara, JP	25	1990–2006
Kokubunji, JP	10	1983–1985
Yokohama, JP	8	1986–2012
Koganei, JP	8	1976–1999