Inventor
Yuji Yamada
Inventor
Tokyo, JP
Overview
Patents· 99 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Sprimary
H04SStereophonic systems19%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
G06FElectric digital data processing3%
G10HElectrophonic musical instruments3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals2%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%
PatentTitleYear
10,793,042Vehicle seat202010,712,328Analysis device2020D0883507Massage appliance202010,510,329Keyboard apparatus201910,505,952Attack detection device, attack detection method, and attack detection program201910,354,630Performance information processing device and method201910,181,748Power storage system and power storage method201910,160,181Laminated structure201810,048,240Control apparatus20189,997,954Power storage system and power storage method20189,973,832Sensor node and method of controlling sensor node20189,895,277'Transfer assistance device'2018D0809667'Massage appliance'20189,845,719Gas sensor control device20179,816,961'Gas sensor control apparatus'20179,805,701'Parameter controller and method for controlling parameter'20179,664,640'Gas sensor control apparatus'20179,658,203'Metal collection solution and method of analyzing substrate contamination'20179,594,049'Gas sensor control apparatus'20179,356,589'Interchannel skew adjustment circuit'20169,264,800'Audio signal processing apparatus and audio signal processing method'20169,084,069'Audio signal processing device, audio signal processing method, and program'20158,958,585'Sound image localization apparatus'20158,932,954'Impurity analysis device and method'20158,814,271'Vehicle seat'20148,771,535'Sample contamination method'20148,754,319'Electronic percussion instrument set and musical performance evaluating apparatus'20148,721,444'Game device for performing operation object control and non-operation object control'20148,644,531'Information processing system and information processing method'20148,442,241'Audio signal processing for separating multiple source signals from at least one source signal'20138,290,180'Signal processing device, signal processing method, and program therefor'20128,204,615'Information processing device, information processing method, and program'20128,141,778'Identification display device'20128,122,584'Method of producing honeycomb structure molding die'20128,106,691'Phase adjustment circuit'20128,107,632'Digital signal processing apparatus, method thereof and headphone apparatus'20127,978,013'Phase synchronizing circuit'20117,914,652'Oxygen gas diffusion cathode for sodium chloride electrolysis'20117,917,236'Virtual sound source device and acoustic device comprising the same'20117,896,970'Semiconductor substrate cleaning liquid and semiconductor substrate cleaning process'20117,858,551'Electrode catalyst for electrochemical reaction, process for producing the electrode catalyst and electrode for electrochemical reaction having the electrode catalyst'20107,857,953'Oxygen-reducing gas diffusion cathode and method of sodium chloride electrolysis'20107,826,630'Sound image localization apparatus'20107,808,326'PLL circuit'20107,736,682'Process for producing loaf bread'20107,720,241'Sound image localization apparatus and method and recording medium'20107,708,867'Gas diffusion electrode'20107,704,539'Method for making breads'20107,672,466'Audio signal processing apparatus and method for the same'20107,583,809'Sound signal processing device and sound signal processing method'20097,567,682'Audio processing apparatus'20097,502,477'Audio reproducing apparatus'20097,464,970'Pipe joint'20087,459,023'Method for producing semiconductor crystal'20087,454,026'Audio image signal processing and reproduction method and apparatus with head angle detection'20087,401,344'Recording medium driving device'20087,369,667'Acoustic image localization signal processing device'20087,341,755'Method for making breads'20087,298,219'Phase-locked loop circuit'20077,162,047'Audio reproducing apparatus'20077,133,567'Image coding apparatus and image coding method'20067,043,036'Audio reproducing apparatus'20066,970,569'Audio processing apparatus and audio reproducing method'20056,947,569'Audio signal processing device, interface circuit device for angular velocity sensor and signal processing device'20056,928,179'Audio processing apparatus'20056,868,161'Transmitting/receiving device and transmitting/receiving method'20056,729,749'Automatic headlight axis direction control for vehicles'20046,721,426'Speaker device'20046,688,761'Vehicle headlamp automatic adjusting device with sensor failure detection means'20046,671,640'Automatic optical-axis adjusting device for automatically adjusting directions of optical axes of front lights with respect to steering angle of steering wheel'20036,647,082'Manufacturing method and device of control rods for nuclear reactors'20036,626,563'Automatic optical-axis adjusting device for automatically adjusting optical axes of front lights of vehicle with reduced number of signals'20036,614,912'Sound reproducing device, earphone device and signal processing device therefor'20036,572,248'Apparatus for automatically adjusting optical axis of vehicle headlights'20036,563,869'Digital signal processing circuit and audio reproducing device using it'20036,524,186'Game input means to replicate how object is handled by character'20036,077,451'Method and apparatus for etching of silicon materials'20006,021,205'Headphone device'20005,959,597'Image/audio reproducing system'19995,877,680'Apparatus for automatically adjusting aiming of headlights of an automotive vehicle'19995,844,816'Angle detection apparatus and audio reproduction apparatus using it'19985,796,843'Video signal and audio signal reproducing apparatus'19985,761,314'Audio reproducing apparatus and headphone'19985,757,931'Signal processing apparatus and acoustic reproducing apparatus'19985,717,767'Angle detection apparatus and audio reproduction apparatus using it'19985,717,727'Digital filter and apparatus for reproducing sound using the digital filter'19985,714,729'TIG welding method and welding torch therefor'19985,696,420'Vibration type gyroscope apparatus'19975,696,831'Audio reproducing apparatus corresponding to picture'19975,687,239'Audio reproduction apparatus'19975,590,094'System and methd for reproducing sound'19965,526,429'Headphone apparatus having means for detecting gyration of user\'s head'19965,367,506'Sound collecting system and sound reproducing system'19945,193,208'Signal transmission system'19935,076,796'Terminal pin for soldering to a printed circuit board'19914,825,539'Process for manufacturing a multilayer substrate'19894,808,998'Distortion reduction circuit for a D/A converter'19894,573,019'Current mirror circuit'19864,410,222'Electrical connector for a ribbon cable'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2020Based in Tokyo, JP· patent location history
1993–2016Patents assigned to SONY CORP (42)· patent assignee history
1998–2017Patents assigned to TOSHIBA KK (7)· patent assignee history
1999–2018Patents assigned to DENSO CORP (12)· patent assignee history
2003–2004Based in Okazaki, JP· patent location history
2007–2016Based in Osaka, JP· patent location history
2008–2018Based in Nagoya, JP· patent location history
2012–2020Patents assigned to YAMADA YUJI (17)· patent assignee history
2012–2016Patents assigned to OKIMOTO KOYURU (7)· patent assignee history
2014–2019Based in Hamamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 42 | 1993–2016 |
| YAMADA YUJIself | 17 | 2012–2020 |
| DENSO CORP | 12 | 1999–2018 |
| OKIMOTO KOYURU | 7 | 2012–2016 |
| TOSHIBA KK | 7 | 1998–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 49 | 1986–2020 |
| Nagoya, JP | 5 | 2008–2018 |
| Osaka, JP | 5 | 2007–2016 |
| Okazaki, JP | 5 | 2003–2004 |
| Hamamatsu, JP | 4 | 2014–2019 |