Inventor

Shuichi Matsumoto

Inventor

Tokyo, JP

Overview

1976–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 107 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television18%

G10HElectrophonic musical instruments10%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%

G06TImage data processing or generation, in general5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

G10LSpeech analysis techniques or speech synthesis4%

G09BEducational or demonstration appliances3%

G11BInformation storage based on relative movement between record carrier and transducer3%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%

H04LTransmission of digital information, e.g. telegraphic communication2%

PatentTitleYear

10,733,900Tuning estimating apparatus, evaluating apparatus, and data processing apparatus2020 10,648,440Fuel injection valve2020 10,643,638Technique determination device and recording medium2020 10,453,435Musical sound evaluation device, evaluation criteria generating device, method for evaluating the musical sound and method for generating the evaluation criteria2019 10,076,807Welding method2018 10,079,087Dither current power supply control method and dither current power supply control apparatus2018 9,998,712Monitoring apparatus2018 9,962,789Welding method2018 9,788,445'Waterproof electronic equipment unit'2017 9,570,978'Power supply control device for inductive loads'2017 9,396,543'Information processing apparatus for watching, information processing method and non-transitory recording medium recording program'2016 8,890,554'Current control device for electric load'2014 8,790,811'Flat-wound electricity storage device cell and flat-wound electricity storage device module'2014 8,695,892'Fuel injection device'2014 8,602,328'Fuel injection device'2013 8,290,605'Acoustic design support apparatus'2012 8,189,036'Concealed regions complementing system of free viewpoint video images'2012 7,895,748'Method of molding a resin coated bearing, method of manufacturing a resin coated bearing, and a resin coated bearing molded by the molding method'2011 7,876,907'Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference detection and adjustment for parallelly transmitted audio signals'2011 7,773,768'Acoustic design support apparatus'2010 7,770,818'Fuel injection valve'2010 7,738,664'Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference detection and adjustment for parallelly transmitted audio signals'2010 7,703,708'Fuel injection valve'2010 7,675,540'Concealed regions complementing system of free viewpoint video images'2010 7,552,050'Speech recognition system and method utilizing adaptive cancellation for talk-back voice'2009 7,458,525'Common-rail injector'2008 7,395,149'Navigation apparatus'2008 7,328,178'Content billing method, and content billing system and content billing apparatus using the content billing method'2008 7,276,305'Method of operating fuel cell'2007 7,166,792'Storage medium containing musical score displaying data, musical score display apparatus and musical score displaying program'2007 7,123,100'Divider circuit and oscillating circuit including the same'2006 7,118,046'Sliding structure for shaft member with improved abrasion resistance and injector'2006 7,068,304'Apparatus for assessing quality of a picture in transmission, and apparatus for remote monitoring quality of a picture in transmission'2006 7,035,349'Signal compensation circuit and demodulating circuit with high-speed and low-speed feedback loops'2006 7,034,621'Divider circuit and oscillating circuit including the same'2006 7,010,283'Signal waveform detection circuit'2006 6,952,449'Detection apparatus for road obstructions'2005 6,946,918'Differential voltage to current converter having transistors of different sizes'2005 6,943,827'Apparatus for monitoring quality of picture in transmission'2005 6,909,468'Positional difference correcting apparatus between two-route videos'2005 6,831,513'Differential amplifier'2004 6,813,379'Image segmentation apparatus'2004 6,802,298'Pressure control valve for controlling operation of fuel injector'2004 6,772,392'Image failure detection unit in redundant duplex transmission'2004 6,727,418'Musical score display apparatus and method'2004 6,711,220'Bit position synchronizer'2004 6,690,732'Scene characteristics detection type video encoding apparatus'2004 6,603,505'Device for objectively evaluating the quality of a digital transmitted picture'2003 6,546,054'Video transmission system using plural links'2003 6,493,390'Motion compensation image encoding device'2002 6,489,988'Method and apparatus for detecting synchronization shift between original image and reproduced image of video signal'2002 6,430,224'Stereo video data coding apparatus'2002 6,380,471'Musical score data display apparatus'2002 6,367,453'Fuel injection valve'2002 6,282,006'Optical communications apparatus and method'2001 6,239,834'Apparatus for evaluating digital picture quality'2001 6,237,570'Accumulator fuel injection apparatus'2001 6,147,291'Style change apparatus and a karaoke apparatus'2000 6,141,449'Coding mode determination system'2000 6,108,380'Method and apparatus for deciding optimum orthogonal transform mode'2000 6,027,037'Accumulator fuel injection apparatus for internal combustion engine'2000 5,982,731'Optical pickup and opto-magnetic signal reproducing apparatus'1999 5,967,792'Automatic performance apparatus and a karaoke apparatus'1999 5,963,907'Voice converter'1999 5,940,131'Method and apparatus for coding moving pictures'1999 5,920,600'Bit phase synchronizing circuitry for controlling phase and frequency, and PLL circuit therefor'1999 5,889,223'Karaoke apparatus converting gender of singing voice to match octave of song'1999 5,876,213'Karaoke apparatus detecting register of live vocal to tune harmony vocal'1999 5,847,303'Voice processor with adaptive configuration by parameter setting'1998 5,817,965'Apparatus for switching singing voice signals according to melodies'1998 5,811,708'Karaoke apparatus with tuning sub vocal aside main vocal'1998 5,803,369'Accumulator fuel injection device'1998 5,796,701'Optical pickup and opto-magnetic signal reproducing apparatus'1998 5,778,214'Bit-phase aligning circuit'1998 5,753,844'Music play apparatus with advance resetting for subsequent playing'1998 5,750,912'Formant converting apparatus modifying singing voice to emulate model voice'1998 5,747,716'Medley playback apparatus with adaptive editing of bridge part'1998 5,748,368'Polarization optical element'1998 5,732,060'Optical pickup and optical recording medium reproducing apparatus having a wire grid unit'1998 5,699,770'Fuel injection system for engine'1997 5,699,499'Post-processor of motion vectors for field interpolation'1997 5,665,946'Combined-operation type switching apparatus including rotational and push operators'1997 5,621,182'Karaoke apparatus converting singing voice into model voice'1997 5,576,766'Moving picture encoder'1996 5,574,500'Video quality evaluating equipment for reproduced image of video signal subject to digital compression'1996 5,568,196'Motion adaptive noise reduction filter and motion compensated interframe coding system using the same'1996 5,557,276'Quantizer designed by using human visual sensitivity'1996 5,557,590'Auto changer capable of recording/reproducing information signals on a selective disc-shaped recording medium'1996 5,518,408'Karaoke apparatus sounding instrumental accompaniment and back chorus'1996 5,475,430'Direct encoding system of composite video signal using inter-frame motion compensation'1995 5,425,436'Automotive suspension control system utilizing variable damping force shock absorber'1995 5,285,520'Predictive coding apparatus'1994 5,190,726'Apparatus for measuring the flow rate of water vapor in a process gas including steam'1993 4,875,095'Noise-shaping predictive coding system'1989 4,802,004'Predictive coding system for TV signals'1989 4,571,618'TV Signal median prediction coding system'1986 4,546,386'Adaptive predictive coding system for television signals'1985 4,474,944'Epoxidized polyether and process for producing the same'1984 4,437,119'Inter-frame adaptive prediction system for television signals'1984 4,371,713'Process for the preparation of polyether glycol'1983 4,250,063'Method for chain-opening polymerization of norbornene derivatives'1981 4,217,299'Method for converting unsaturated compound having functional group'1980 4,176,220'Catalyst composition for ring-opening polymerization of norbornene derivatives and process for polymerizing same'1979 4,068,063'Catalyst composition for ring-opening polymerization of norbornene derivatives and process for polymerizing same'1978 4,039,491'Novel copolymer and process for producing same'1977 4,011,386'Process for producing polymers or copolymers of norbornene-carboxylic acid amides'1977 3,974,196'Method for disproportionating ethylenically unsaturated compounds having functional ester groups'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (9)· patent assignee history

1976–1984Based in Yokohama, JP· patent location history

1984–2002Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (18)· patent assignee history

1986–2018Based in Tokyo, JP· patent location history

1996–2020Patents assigned to YAMAHA CORP (21)· patent assignee history

1996–2020Based in Hamamatsu, JP· patent location history

1996–2001Based in Kanagawa, JP· patent location history

1997–2020Patents assigned to DENSO CORP (12)· patent assignee history

1998–2006Patents assigned to OKI ELECTRIC IND CO LTD (9)· patent assignee history

2000–2020Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
YAMAHA CORP	21	1996–2020
KOKUSAI DENSHIN DENWA CO LTD	18	1984–2002
DENSO CORP	12	1997–2020
JAPAN SYNTHETIC RUBBER CO LTD	9	1976–1984
OKI ELECTRIC IND CO LTD	9	1998–2006

Locations

Location	Patents	Span
Tokyo, JP	28	1986–2018
Hamamatsu, JP	20	1996–2020
Kariya, JP	13	2000–2020
Yokohama, JP	9	1976–1984
Kanagawa, JP	7	1996–2001