Inventor
Seiichi Ozawa
Inventor
Wako, JP
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication18%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems14%
G09GArrangements or circuits for control of indicating devices using static means to present variable information11%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses11%
H03KPulse technique8%
H04NPictorial communication, e.g. television8%
G06FElectric digital data processing5%
H03MCoding5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
B28BShaping clay or other ceramic compositions3%
PatentTitleYear
10,749,433Current balance feedback circuit and method to improve the stability of a multi-phase converter202010,340,935Thermometer digital to analog converter201910,205,385Circuit and method of a switching converter with adaptive pulse insertion201910,044,265Switching converter control robust to ESL ripple201810,008,918Phase-shifting optimization for asymmetric inductors in multi-phase DC-DC converters20189,887,625'Output current monitor circuit for switching regulator'20189,835,655Output current monitoring circuit20179,806,617'Switch mode power converter with overshoot and undershoot transient control circuits'20179,606,559'Multi-phase switching converter with phase shedding'20179,418,583'Transmission device, reception device, transmission-reception system, and image display system'20169,379,612'Output current monitor circuit for switching regulator'20169,036,081'Video signal transmission device, video signal reception device, and video signal transmission system'20159,019,259'Transmission apparatus, reception apparatus, transmission-reception system, and image display system'20158,780,932'Video signal transmission device, video signal reception device, and video signal transmission system'20148,582,628'Transmitting apparatus, receiving apparatus, transmitting/receiving system, and image display system'20138,553,828'Clock data restoration device'20138,363,771'Transmission device, receiving device and communication system'20138,331,513'Clock data restoration device'20128,045,664'Clock data recovery device'20118,023,606'Clock data restoration device'20117,965,802'Clock data restoring device'20117,535,957'Transmitter circuit, receiver circuit, clock data recovery phase locked loop circuit, data transfer method and data transfer system'20097,391,716'Semiconductor integrated circuit and data transmission system'20087,043,202'Frequency modulator apparatus of phase selection type, and frequency synthesizer of phase selection type'20066,667,663'Phase locked loop circuit'20036,304,144'Differential amplification circuit'20016,191,630'Delay circuit and oscillator circuit using same'20014,687,614'Process for producing a high integrity container'19874,594,513'Multiplex design container having a three-layered wall structure and a process for producing the same'19864,314,957'Method for manufacture of polymer-impregnated hollow concrete product'19824,224,274'Method for manufacture of concrete products'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1987Patents assigned to OZAWA CONCRETE KOGYO KK (4)· patent assignee history
1980–2009Based in Tokyo, JP· patent location history
2001Based in Kanagawa, JP· patent location history
2003–2020Based in Wakoh, JP· patent location history
2006–2016Patents assigned to THINE ELECTRONICS INC (14)· patent assignee history
2011–2016Based in Wako, JP· patent location history
2012–2016Patents assigned to OZAWA SEIICHI (7)· patent assignee history
2013–2016Patents assigned to AKITA HIRONOBU (4)· patent assignee history
2016–2020Patents assigned to DIALOG SEMICONDUCTOR UK LTD (10)· patent assignee history
2017–2019Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THINE ELECTRONICS INC | 14 | 2006–2016 |
| DIALOG SEMICONDUCTOR UK LTD | 10 | 2016–2020 |
| OZAWA SEIICHIself | 7 | 2012–2016 |
| AKITA HIRONOBU | 4 | 2013–2016 |
| OZAWA CONCRETE KOGYO KK | 4 | 1980–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wako, JP | 11 | 2011–2016 |
| Tokyo, JP | 7 | 1980–2009 |
| Wakoh, JP | 6 | 2003–2020 |
| Saitama, JP | 5 | 2017–2019 |
| Kanagawa, JP | 1 | 2001 |