Inventor
Toshitsugu Ishii
Inventor
Gunma, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables14%
H01LSemiconductor devices14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
A01GHorticulture7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
C01BNon-metallic elements5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
11,015,656Torque transmission joint and electric power steering device202110,551,432Method of manufacturing semiconductor device202010,109,568Semiconductor device manufacturing method and semiconductor device20189,945,903Semiconductor device manufacturing method20189,905,482'Method of manufacturing a semiconductor device and inspecting an electrical characteristic thereof using test socket terminals'20189,761,501'Method of manufacturing a semiconductor device and inspecting an electrical characteristic thereof using socket terminals'20179,515,000'Method for manufacturing semiconductor device'20165,174,793'Method of enhancing plant growth using light levels lower than photo saturation intensity'19924,985,224'Process for making silicon nitride whisker'19914,975,260'Process for preparing metal nitride powder'19904,817,332'Method of enhancing plant growth and apparatus for performing the same'19894,763,514'Monitoring equipment for dissolved gas in insulating oil'19884,617,755'Apparatus for plant cultivation'19864,310,487'Automatic analyzer for combustible gas in oil'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1992Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1986–1992Based in Hyogo, JP· patent location history
1990–1991Patents assigned to TOSHIBA CERAMICS CO (2)· patent assignee history
1990–1991Based in Chita, JP· patent location history
2016–2020Patents assigned to RENESAS ELECTRONICS CORP (6)· patent assignee history
2016–2020Based in Gunma, JP· patent location history
2017–2018Based in Ibaraki, JP· patent location history
2021Patents assigned to NSK LTD (1)· patent assignee history
2021Based in Maebashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RENESAS ELECTRONICS CORP | 6 | 2016–2020 |
| MITSUBISHI ELECTRIC CORP | 5 | 1982–1992 |
| TOSHIBA CERAMICS CO | 2 | 1990–1991 |
| NSK LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gunma, JP | 3 | 2016–2020 |
| Hyogo, JP | 3 | 1986–1992 |
| Ibaraki, JP | 2 | 2017–2018 |
| Chita, JP | 2 | 1990–1991 |
| Maebashi, JP | 1 | 2021 |