Inventor
Takaaki Yamada
Inventor
Kanagawa, JP
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices9%
H04NPictorial communication, e.g. television8%
G05BControl or regulating systems in general7%
G06FElectric digital data processing6%
G05DSystems for controlling or regulating non-electric variables4%
H03GControl of amplification4%
H03JTuning resonant circuits3%
H03KPulse technique3%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%
H03MCoding3%
PatentTitleYear
11,012,587Mobile device with battery202110,899,137Electronic apparatus202110,894,404Print head control circuit and liquid discharge apparatus202110,558,175PID control device, PID control method, and PID control program202010,442,139Seal bar and heat sealing apparatus201910,408,104Catalyst apparatus for internal combustion engine20199,869,979'Computation unit, output control method, and program'20189,154,802'Emergable watermark superimposing method, emergable watermark superimposing apparatus, and emergable watermark superimposing system'20158,938,088'Method and apparatus for classifying sections of an image into a plurality of embedded areas'20158,901,870'Synchronous control apparatus'20148,467,490'Communication system, receiver and reception method'20138,285,998'Dynamic image content tamper detecting device and system'20128,081,439'Electronic device'20118,081,438'Electronic device'20117,923,666'Phase control method and phase control device'20117,873,692'Instrumentation and control information providing method, instrumentation and control information providing system, instrumentation and control information providing server, and instrumentation and control equipment'20117,675,143'Semiconductor element, semiconductor device and mounting board'20107,626,411'Semiconductor device, semiconductor integrated circuit and bump resistance measurement method'20097,577,843'System and method for controlling contents by plurality of pieces of control information'20097,536,230'Control method, temperature control method, adjustment method, temperature controller, program, recording medium and heat treatment device'20097,489,507'Electronic device'20097,324,877'Temperature control method and apparatus'20087,218,999'Target value processing unit, temperature controller, control process implementing system, process controlling method, target value processing program, and recording medium'20077,117,124'Trouble detection method, trouble detection apparatus, and temperature controller'20066,650,522'Semiconductor relay system and method for controlling the semiconductor relay system'20036,366,909'Information presentation apparatus and information presentation method'20026,208,935'Map application system'20016,169,469'Relay'20016,084,539'Digital to analog converter'20005,726,505'Device to prevent reverse current flow, rectifier device and solar generator system'19985,631,648'Signal compression or expansion circuit for mobile communication'19975,623,224'Communication circuit with voltage drop circuit and low voltage drive circuit'19975,404,168'Method and apparatus for encoding an image signal using a multi-stage quantizing number determiner'19955,347,310'Apparatus for compression encoding video signals'19945,233,316'Digital voltage controlled oscillator having a ring oscillator with selectable output taps'19935,211,563'Computer assisted learning support system and processing method therefor'19935,057,759'Discrete-time AC motor control apparatus'19915,023,615'Large scale integrated circuit for converting pulse code modulated data to an analog signal'19914,592,078'Up/down counter control circuit'19864,533,903'Analog-to-digital converter'19854,521,744'Tuning apparatus of phase-locked loop type'19854,490,734'Variable impedance circuit employing an RIS field effect transistor'19844,451,794'Phase comparator'19844,392,253'Phase locked loop circuit'19834,157,557'Control circuit for signal transmission'19794,141,023'Field effect transistor having a linear attenuation characteristic and an improved distortion factor with multiple gate drain contacts'19794,054,849'Signal compression/expansion apparatus'19774,001,762'Thin film resistor'19773,999,210'FET having a linear impedance characteristic over a wide range of frequency'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2013Patents assigned to SONY CORP (24)· patent assignee history
1976–1979Based in Atsugi, JP· patent location history
1983–2013Based in Kanagawa, JP· patent location history
1984–1986Based in Zama, JP· patent location history
1991–2020Patents assigned to OMRON TATEISI ELECTRONICS CO (14)· patent assignee history
1993–2009Patents assigned to HITACHI LTD (4)· patent assignee history
2006–2011Based in Okayama, JP· patent location history
2009–2020Based in Kusatsu, JP· patent location history
2011–2018Patents assigned to YAMADA TAKAAKI (8)· patent assignee history
2021Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 24 | 1976–2013 |
| OMRON TATEISI ELECTRONICS CO | 14 | 1991–2020 |
| YAMADA TAKAAKIself | 8 | 2011–2018 |
| HITACHI LTD | 4 | 1993–2009 |
| SEIKO EPSON CORP | 3 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 15 | 1983–2013 |
| Kusatsu, JP | 5 | 2009–2020 |
| Atsugi, JP | 5 | 1976–1979 |
| Okayama, JP | 4 | 2006–2011 |
| Zama, JP | 4 | 1984–1986 |