Inventor
Shigetoshi Oouchi
Inventor
Hitachi, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches75%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power25%
PatentTitleYear
7,911,303'Circuit breaker and opening and closing method thereof'20116,838,631'Power use circuit breaker and electrical circuit arrangement for electric power generation plant'20056,751,078'Power use circuit breaker and electrical circuit arrangement for electric power generation plant'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2011Patents assigned to HITACHI LTD (3)· patent assignee history
2004–2005Patents assigned to HITACHI ELECTRIC SYSTEMS CO LT (2)· patent assignee history
2004–2011Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 2004–2011 |
| HITACHI ELECTRIC SYSTEMS CO LT | 2 | 2004–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 3 | 2004–2011 |