Inventor

Kazuo Okamura

Inventor

Hirakata, JP

Overview

1979–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 101 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television14%

F16CShafts9%

Y10TTechnical subjects covered by former us classification7%

G06FElectric digital data processing6%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

C22CAlloys5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B22FWorking metallic powder4%

G11BInformation storage based on relative movement between record carrier and transducer4%

H04HBroadcast communication3%

PatentTitleYear

10,531,714Personal ornaments2020 10,445,751Information obtaining method, information obtaining system, and information appliance2019 10,407,758Steel for oil country tubular goods and method of producing the same2019 10,380,607Information obtaining method, information obtaining system, and information appliance2019 9,909,198'Method for producing a low alloy steel for oil country tubular goods having excellent sulfide stress cracking resistance'2018 9,719,794'Route display method, route display apparatus, and database generation method'2017 9,546,408'Quenching method for steel pipe'2017 9,316,253'Sintered bearing'2016 8,992,658'Sintered metallic bearing and fluid dynamic bearing device equipped with the bearing'2015 8,569,001'Method for detecting lysosomal storage diseases'2013 8,447,167'Recording/reproduction device and method for digital broadcasting'2013 8,191,009'Display control device and method'2012 8,003,337'Method for detecting lysosomal storage diseases'2011 8,002,471'Fluid dynamic bearing apparatus and a motor using the same'2011 7,998,238'Sintered sliding member and connecting device'2011 7,951,545'Method for detecting lysosomal storage diseases'2011 7,948,867'Program reception/execution apparatus that can commence execution of a machine program having only received the program in part, and a program transmission apparatus that enables such execution'2011 7,819,585'Fluid dynamic bearing apparatus and a motor using the same'2010 7,739,619'Display control device and method'2010 7,690,220'Personal ornament'2010 7,648,773'Thermal spray membrane contact material, contact member and contact part, and apparatuses to which they are applied'2010 7,473,296'Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same'2009 7,438,979'Thermal spray membrane contact material, contact member and contact part, and apparatuses to which they are applied'2008 7,437,750'Data transceiving system and method therefor'2008 RE040361'Data conversion apparatus for data communication system'2008 7,340,687'Display control device and method'2008 7,305,698'Data communication system, data transmitting apparatus, and data receiving apparatus'2007 7,305,628'Display control device and method'2007 7,302,647'Display control device and method'2007 7,282,078'Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same'2007 7,279,228'Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same'2007 7,260,786'Display control device and method'2007 7,221,362'Display control device and method'2007 7,213,213'Display control device and method'2007 7,203,739'Terminal device for controlling transmission size of documents with capability of receiving device'2007 7,094,473'Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same'2006 7,065,782'Digital broadcasting system, digital broadcasting apparatus, and receiver apparatus for digital broadcasts'2006 7,059,052'Hydrodynamic type porous oil-impregnated bearing'2006 7,016,992'Electronic mail system'2006 6,981,797'Hydrodynamic bearing unit'2006 6,944,861'Program reception/execution apparatus that can commence execution of a machine program having only received the program in part, and a program transmission apparatus that enables such execution'2005 6,823,324'Data broadcast program producing apparatus, a computer program for producing data broadcast programs, and a computer-readable recording medium storing the computer program'2004 6,789,320'Method of producing a sintered oil retaining bearing'2004 6,757,911'Digital broadcasting system, digital broadcasting apparatus, and a reception apparatus for digital broadcasts'2004 6,712,514'Hydrodynamic bearing unit'2004 6,710,789'Device and method for authorizing use of a pre-coded display area'2004 6,701,524'Interactive data transmitting apparatus, data receiving apparatus, data receiving method, recording medium for recording receiving program thereof, and communication system using a broadcast wave'2004 6,691,313'TERMINAL APPARATUS AND METHOD FOR ACHIEVING INTERACTIVE OPERATIONS BY DISPLAYING A DESIRED PIECE OF IMAGE INFORMATION AT HIGH SPEED USING CACHE MEMORIES, OUT OF A LARGE AMOUNT OF IMAGE INFORMATION SENT IN A ONE-WAY DIRECTION'2004 6,609,144'Program reception/execution apparatus that can commence execution of a machine program having only received the program in part, and a program transmission apparatus that enables such execution'2003 6,584,069'Packet filtering apparatus that applies a plurality of filtering conditions including different comparison criteria to a single packet'2003 6,557,016'Data processing apparatus for facilitating data selection and data processing'2003 6,557,171'DIGITAL TV BROADCAST SENDING APPARATUS, DIGITAL TV BROADCAST RECEIVING APPARATUS, AND DIGITAL TV BROADCAST SENDING / RECEIVING SYSTEM WHICH FACILITATE PRESELECTION OF TV PROGRAMS, AND COMPUTER READABLE RECORDING MEDIUM STORING A PROGRAM FOR ACHIEVING A FUNCTION OF THE DIGITAL TV BROADCAST RECEIVING APPARATUS'2003 6,533,460'Hydrodynamic type porous oil-impregnated bearing'2003 6,513,980'Hydrodynamic type porous oil-impregnated bearing'2003 6,502,992'Hydrodynamic type bearing unit'2003 6,431,757'Hydrodynamic type bearing unit'2002 6,390,681'Dynamic pressure bearing-unit'2002 6,357,920'Sintered oil retaining bearing and spindle motor for information equipment'2002 6,358,391'Method for making anode foil for aluminum electrolytic capacitor'2002 6,353,930'Digital broadcasting system, digital broadcasting apparatus, and receiver apparatus for digital broadcasters'2002 6,327,616'Terminal device in document information communication system'2001 6,314,570'Data processing apparatus for facilitating data selection and data processing in at television environment with reusable menu structures'2001 6,299,356'Hydrodynamic type porous oil-impregnated bearing'2001 6,292,226'Broadcast receiver selectively using navigation information multiplexed on transport stream and recording medium recording the method of the same'2001 6,250,807'Hydrodynamic type bearing and hydrodynamic type bearing unit'2001 6,223,347'Data display control apparatus'2001 6,191,782'Terminal apparatus and method for achieving interactive operations by displaying a desired piece of image information at high speed using cache memories, out of a large amount of image information sent in a one-way direction'2001 6,157,948'Program reception/execution apparatus which can start execution of program even when only part of program is received, and program transmitter for it'2000 6,102,101'Continuous casting method and apparatus thereof'2000 6,090,230'Method of cooling a steel pipe'2000 6,023,114'Spindle motor and rotating shaft supporting device for spindle motor'2000 5,983,247'Data conversion apparatus for reading a document for a display screen and generating a display image for another display screen which has a different aspect ratio from the former display screen'1999 5,973,681'Interactive data communication system with unidirectionally transmitted broadcast wave'1999 5,941,646'Hydrodynamic type porous oil-impregnated bearing and bearing device'1999 5,930,808'Data conversion apparatus for data communication system'1999 5,871,040'Process for continuously casting thin slabs'1999 5,864,673'Terminal device in document information communication system'1999 5,854,379'Thermal decomposition degreasing method and molded products thereof'1998 5,853,043'Method and apparatus for continuous casting of a thin slab'1998 5,808,705'Liquid crystal display apparatus with two viewing angle modes and drive electrodes for mode dependent selection'1998 5,449,448'Method of manufacturing anode foil for aluminium electrolytic capacitors'1995 5,352,657'Bismuth system oxide superconductors and preparation thereof'1994 5,346,758'Magnetic coating composition and magnetic recording medium'1994 5,180,494'Method of controlling waste water treatment by anaerobic fermentation'1993 5,154,984'Metal-ceramic composite'1992 5,151,206'Acicular iron carbide particulate material and process for producing same'1992 5,132,083'Laser padding material and a laser padding method using the same'1992 5,026,605'Coated iron carbide fine particles'1991 4,969,974'Method for making electrode foil for an electrolyte capacitor'1990 4,967,025'Purification method of carbon fluorides'1990 4,947,924'Metal-ceramic composite and method of producing the same'1990 4,906,525'Heat-resisting supporting member'1990 4,842,759'Acicular process for producing particulate material'1989 4,770,959'Lithium-fluorinated graphite cell'1988 4,684,591'Active materials for batteries'1987 4,671,858'Method for making anode foil for an aluminum electrolytic capacitor'1987 4,668,414'Process for producing acicular particles containing an iron carbide'1987 4,457,955'Process for producing magnetizable particles'1984 4,339,518'Process of electrostatic printing with fluorinated polymer toner additive'1982 4,255,299'Polymer containing perfluoroalkyl group, process for preparing the same and coating composition'1981 4,135,100'Method and apparatus for detecting concentration of liquid'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1994Patents assigned to DAIKIN IND LTD (12)· patent assignee history

1981–1994Based in Itami, JP· patent location history

1987–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (37)· patent assignee history

1990–2000Patents assigned to SUMITOMO METAL IND (7)· patent assignee history

1992–2011Patents assigned to KOMATSU MFG CO LTD (9)· patent assignee history

1992–2019Based in Osaka, JP· patent location history

1999–2016Patents assigned to NTN TOYO BEARING CO LTD (18)· patent assignee history

1999–2012Based in Hirakata, JP· patent location history

1999–2006Based in Mie, JP· patent location history

2001–2016Based in Kuwana, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	37	1987–2008
NTN TOYO BEARING CO LTD	18	1999–2016
DAIKIN IND LTD	12	1981–1994
KOMATSU MFG CO LTD	9	1992–2011
SUMITOMO METAL IND	7	1990–2000

Locations

Location	Patents	Span
Hirakata, JP	27	1999–2012
Osaka, JP	12	1992–2019
Itami, JP	11	1981–1994
Kuwana, JP	10	2001–2016
Mie, JP	8	1999–2006