Inventor
Ryoichi Shinohara
Inventor
Hitachinaka, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Bprimary
H02BBoards, substations or switching arrangements for the supply or distribution of electric power43%
G01RMeasuring electric variables14%
H01LSemiconductor devices14%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
PatentTitleYear
9,799,576'Monitoring method and manufacturing method of semiconductor device'20178,804,298'Gas insulated bus and particle removal method for gas insulated bus'20147,414,827'Gas-insulated switchgear device'20087,256,584'Method and system for measuring partial discharge'20076,560,091'Gas insulated switchgear'20036,556,428'Gas insulated switchgear'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2014Patents assigned to HITACHI LTD (3)· patent assignee history
2003–2014Based in Hitachi, JP· patent location history
2007–2008Patents assigned to JAPAN AE POWER SYSTEMS CORP (2)· patent assignee history
2007–2017Based in Hitachinaka, JP· patent location history
2014Patents assigned to KATO TATSURO (1)· patent assignee history
2014Patents assigned to ROKUNOHE TOSHIAKI (1)· patent assignee history
2017Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 2003–2014 |
| JAPAN AE POWER SYSTEMS CORP | 2 | 2007–2008 |
| KATO TATSURO | 1 | 2014 |
| RENESAS ELECTRONICS CORP | 1 | 2017 |
| ROKUNOHE TOSHIAKI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 3 | 2007–2017 |
| Hitachi, JP | 3 | 2003–2014 |