Inventor

Akio Yamamoto

Inventor

Kobe, JP

Overview

1983–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 149 as inventor

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

A63Bprimary

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing14%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%

Y10TTechnical subjects covered by former us classification4%

C22CAlloys3%

H04BTransmission3%

G06FElectric digital data processing2%

H04NPictorial communication, e.g. television2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

A44CPersonal adornments, e.g. jewellery2%

PatentTitleYear

10,872,745Charged-particle beam system2020 10,799,774Golf club head and manufacturing method for same2020 10,707,546Dielectric filter unit comprising three or more dielectric blocks and a transmission line for providing electromagnetically coupling among the dielectric resonators2020 10,088,150Carbonized material production kiln2018 10,061,881Circuit design system and circuit design method2018 10,026,512Nuclear reactor nozzle repair method2018 9,981,164Golf club head and manufacturing method for same2018 9,721,773'Mass spectrometric device and mass spectrometric device control method'2017 9,558,801'Data holding circuit including latch circuit and storing circuit having MTJ elements and data recovery method'2017 9,528,172'High-strength steel sheet having improved resistance to fracture and to HIC'2016 9,421,430'Golf club head and manufacturing method for same'2016 9,387,369'Golf club'2016 9,358,431'Golf club head with removable weight'2016 9,345,935'Golf club'2016 9,320,947'Golf club'2016 9,311,902'Method of fabricating bow stick of stringed instrument and bow stick of stringed instrument'2016 9,287,434'Method for producing semiconductor layer, method for producing photoelectric conversion device, and semiconductor starting material'2016 9,227,275'Method for manufacturing golf club head'2016 9,184,329'Photoelectric conversion device'2015 9,174,098'Golf club head'2015 9,166,542'High frequency module and portable terminal using same'2015 9,070,266'Operation management support apparatus for power plant'2015 8,944,934'Golf club head'2015 8,870,680'Golf club head and golf club'2014 8,870,681'Golf club head and golf club'2014 8,827,827'Golf club'2014 8,810,317'High frequency circuit and high frequency module'2014 8,758,171'Method for selecting golf club'2014 8,740,721'Iron-type golf club head'2014 8,668,597'Golf club'2014 8,663,860'Fuel cell system configured to detect failure and process for dealing with failure of the system'2014 8,594,605'Semiconductor integrated circuit and operation method of the same'2013 8,561,876'Golf club'2013 8,525,584'Automatic cutoff frequency adjusting circuit and portable digital assistant'2013 8,383,921'Stick of string instrument bow, string instrument bow and methods of manufacturing stick of string instrument bow'2013 8,331,895'Receiving circuit'2012 8,246,489'Golf club head'2012 8,226,500'Golf club head'2012 8,029,383'Golf club'2011 7,963,856'Golf club'2011 7,922,599'Golf club'2011 7,898,945'System, apparatus, and method for multimedia transmission'2011 7,861,383'Clasp, accessory bracelet, and timepiece'2011 7,856,218'Direct conversion receiver'2010 7,849,566'Clasp, band with a clasp, portable device, timepiece, and accessory'2010 7,824,811'Fuel cell discharge-gas processing device'2010 7,813,710'Receiving circuit'2010 7,780,800'Method of manufacturing a bent pipe'2010 7,771,854'Fuel cell system and method of detecting failure in a fuel gas channel of fuel cell system'2010 7,770,428'Hot bend pipe and a process for its manufacture'2010 7,713,141'Golf club head'2010 7,705,680'Gain switching low-noise amplifier circuit'2010 7,682,263'Golf club head'2010 7,678,487'Discharged fuel diluter'2010 7,662,248'Process for producing a gas generating agent'2010 7,657,282'Multimode wireless communication apparatus and high frequency integrated circuit therefor'2010 7,619,913'Device, method and program for managing area information'2009 7,604,890'Fuel cell discharge-gas processing device'2009 7,572,194'Golf club head and golf club'2009 7,565,120'Semiconductor integrated circuit and semiconductor integrated circuit for radio communication'2009 7,556,110'Vehicle mounted with electric storage apparatus'2009 7,537,527'Golf club head and golf club using the same'2009 7,511,557'Quadrature mixer circuit and RF communication semiconductor integrated circuit'2009 7,510,485'Golf club head'2009 7,494,730'Apparatus for cooling fuel cell'2009 7,462,110'Golf club head and golf club'2008 7,418,250'Quadrature mixer circuits and mobile terminal using the same'2008 7,390,271'Golf club head'2008 7,371,189'Iron golf-club head and an iron golf club including the same'2008 7,371,477'Exhaust gas processing device for fuel cell'2008 7,358,002'Exhaust gas processing device for fuel cell'2008 7,340,232'Receiving system and semiconductor integrated circuit device for processing wireless communication signal'2008 7,340,227'Wireless communication system and semiconductor integrated circuit'2008 7,331,877'Golf club head'2008 7,285,351'Apparatus for dilution of discharged fuel'2007 7,286,159'Ball motion measuring apparatus'2007 7,260,373'Direct conversion receiver'2007 7,225,955'Watchband and watch'2007 7,223,489'Hydrogen purge control apparatus'2007 7,191,586'Connector, band and watch'2007 7,194,244'Wireless communication receiver'2007 7,189,165'Golf club head'2007 7,184,739'Quadrature mixer circuits and mobile terminal using the same'2007 7,160,205'Golf club head'2007 7,126,723'Producing engraving-style halftone images'2006 7,101,291'Golf club head'2006 7,076,457'Information processing method and system on contribution trade market'2006 7,066,834'Iron type golf club head'2006 7,066,833'Golf club head'2006 7,041,002'Golf club head'2006 7,018,303'Golf clubhead'2006 6,953,508'High strength steel weld having improved resistance to cold cracking and a welding method'2005 6,948,649'Method of producing steel pipes, and welded pipes'2005 6,916,563'Discharged fuel diluter and discharged fuel dilution-type fuel cell system'2005 6,885,310'Phase difference detection device and method for a position detector'2005 6,695,227'Aerosol spraying apparatus'2004 6,579,190'Ball motion measuring apparatus'2003 6,552,666'Phase difference detection device and method for a position detector'2003 6,441,246'Catalytic synthesis of aldehydes by direct hydrogenation of carboxylic acids'2002 6,416,899'Fuel cell stack'2002 6,294,280'Fuel cell stack'2001 6,255,011'Fuel cell stack'2001 6,167,932'Pneumatic tire for passenger cars having specified harshness factor'2001 6,127,167'Method of controlling proliferation of aerobe'2000 6,048,633'Fuel cell stack'2000 6,034,624'Induction-type linear position detector device'2000 5,951,193'Mechanism for connecting ornamental parts of wrist watch'1999 5,922,812'4-methyl-1-pentene polymer composition'1999 5,789,484'4-Methyl-1-pentene polymer compositions'1998 5,758,940'Liquid crystal Projection display'1998 5,752,988'Method for producing electrode unit for fuel cell'1998 5,736,269'Fuel cell stack and method of pressing together the same'1998 5,710,509'Phase difference detection device for an inductive position detector'1998 5,694,331'Method for expressing and restoring image data'1997 5,685,923'Ferritic stainless steel bellows'1997 5,679,186'Pneumatic tire with sipes'1997 5,630,214'Wide-band receiving apparatus with local oscillating circuit'1997 5,615,179'Electronic apparatus with fitting band'1997 5,537,171'Liquid crystal projection display'1996 5,377,341'Buffer storage control system'1994 5,355,187'Liquid crystal projection display'1994 5,349,656'Task scheduling method in a multiprocessor system where task selection is determined by processor identification and evaluation information'1994 5,315,395'Projector with separable projection unit and display body'1994 5,242,649'Molded calcium silicate articles and method for producing same'1993 5,219,452'Screw or nail sustainer for mounting objects to a drilled hole in a wall'1993 5,213,870'Bendable ornamental panel'1993 5,188,029'Label printer'1993 5,150,835'Rail support adjusting and fastening device'1992 5,145,301'Nail sustainer'1992 5,138,335'Thermal printer with removable ribbon unit'1992 5,104,426'Method of and apparatus for separating gas mixture'1992 5,096,646'Process for producing rubber tube and resin coating device used therein'1992 5,085,533'Thermal printer'1992 5,070,444'Storage system'1991 4,949,244'Storage system'1990 4,919,518'Multi-screen projector'1990 4,916,604'Cache storage apparatus'1990 4,912,520'Mixer circuit for use in a tuner of a television set or the like'1990 4,880,589'Process of making a non-oriented, surface-roughened film or sheet'1989 4,777,201'Surface-roughened film and sheet, and process for production and use thereof'1988 4,713,556'Frequency converter circuit'1987 4,704,139'Method and apparatus for separating gases'1987 4,693,677'Flat die neck-in control device'1987 4,668,244'Method and apparatus for upgrading low rank coal'1987 4,591,654'Solar cells based on indium phosphide'1986 4,559,060'Upgrading method of low-rank coal'1985 4,521,589'Linear poly(3-alkyl-2,5-thienylene) polymer'1985 4,511,363'Method of upgrading low-rank coal'1985 4,372,883'Process for the production of vaccine'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2018Patents assigned to HITACHI LTD (19)· patent assignee history

1985–2020Based in Tokyo, JP· patent location history

1987–2012Based in Yokohama, JP· patent location history

1992–2016Patents assigned to YAMAMOTO AKIO (22)· patent assignee history

1997–2014Based in Hiratsuka, JP· patent location history

1998–2014Patents assigned to HONDA MOTOR CO LTD (19)· patent assignee history

1998–2014Based in Wako, JP· patent location history

2006–2014Patents assigned to SRI SPORTS LTD (24)· patent assignee history

2006–2020Based in Kobe, JP· patent location history

2014–2018Patents assigned to DUNLOP SPORTS CO LTD (13)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SRI SPORTS LTD	24	2006–2014
YAMAMOTO AKIOself	22	1992–2016
HITACHI LTD	19	1985–2018
HONDA MOTOR CO LTD	19	1998–2014
DUNLOP SPORTS CO LTD	13	2014–2018

Locations

Location	Patents	Span
Kobe, JP	39	2006–2020
Hiratsuka, JP	15	1997–2014
Yokohama, JP	10	1987–2012
Tokyo, JP	8	1985–2020
Wako, JP	7	1998–2014