Inventor
Yasuharu Seki
Inventor
Hitachi, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches50%
G06FElectric digital data processing25%
G11BInformation storage based on relative movement between record carrier and transducer13%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power6%
H03KPulse technique6%
PatentTitleYear
8,549,511'Information processing apparatus, executability determining method, and computer program for the same'20138,180,731'Apparatus and method for computing evaluation values of content data stored for reproduction'20128,079,028'Information processing device and method, recording medium and program'20118,015,295'Communication system, communication device, program and communication method'20117,962,666'Transfer apparatus, transfer system, program, and transfer method'20117,739,659'Information processing apparatus, executability determining method, and computer program for the same'20105,229,561'Puffer-type gas circuit breaker'19935,159,164'Gas circuit breaker'19925,153,397'Gas circuit breaker'19925,151,566'Gas circuit breaker'19925,079,391'Puffer type gas circuit breaker, contact cover and insulated nozzle of the breaker'19925,072,084'Gas circuit breaker'19915,045,651'Switch'19915,043,587'Photocoupler circuit having DC power source in series with detection and switching means'19915,012,051'Three-phase common container-type circuit breaker'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1993Patents assigned to HITACHI LTD (8)· patent assignee history
1991–1993Based in Hitachi, JP· patent location history
1991–2011Based in Tokyo, JP· patent location history
2010–2013Patents assigned to SONY CORP (6)· patent assignee history
2010–2013Based in Chiba, JP· patent location history
2011–2013Patents assigned to KONNO TATSUYA (3)· patent assignee history
2011–2013Patents assigned to SEKI YASUHARU (3)· patent assignee history
2012Patents assigned to ASAKA KOTARO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1991–1993 |
| SONY CORP | 6 | 2010–2013 |
| KONNO TATSUYA | 3 | 2011–2013 |
| SEKI YASUHARUself | 3 | 2011–2013 |
| ASAKA KOTARO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 8 | 1991–1993 |
| Chiba, JP | 4 | 2010–2013 |
| Tokyo, JP | 3 | 1991–2011 |