Inventor
Kazushige Ohta
Inventor
Hadano, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus38%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
F04BPositive-displacement machines for liquids13%
G01DMeasuring not specially adapted for a specific variable13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2000Patents assigned to STANLEY ELECTRIC CO LTD (3)· patent assignee history
1997–1998Based in Hadano, JP· patent location history
2000Patents assigned to IBM (1)· patent assignee history
2000Based in Kanagawa, JP· patent location history
2019Patents assigned to MITSUI E & S MACH CO LTD (1)· patent assignee history
2019Patents assigned to MITSUI SHIPBUILDING ENG (1)· patent assignee history
2019Based in Tamano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STANLEY ELECTRIC CO LTD | 3 | 1997–2000 |
| IBM | 1 | 2000 |
| MITSUI E & S MACH CO LTD | 1 | 2019 |
| MITSUI SHIPBUILDING ENG | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hadano, JP | 2 | 1997–1998 |
| Tamano, JP | 1 | 2019 |
| Kanagawa, JP | 1 | 2000 |