Inventor
Shinji Ohyama
Inventor
Hitachi, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings14%
G06KGraphical data reading14%
G11BInformation storage based on relative movement between record carrier and transducer14%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock7%
G02BOptical elements, systems or apparatus7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G06FElectric digital data processing7%
G06TImage data processing or generation, in general7%
G06VImage or video recognition or understanding7%
H04NPictorial communication, e.g. television7%
PatentTitleYear
10,536,646Imaging control device and imaging control method20207,106,869'Condenser microphone'20065,101,096'Optical recording sheet and method and apparatus for reproducing the same'19924,978,187'Optical element, optical disc and rotary encoder with the optical element'19904,945,348'Liquid crystal display combined with signal input tablet'19904,937,808'Intergrated optical head with flexible substrate portion'19904,504,913'Electronic navigator for automotive vehicles'19854,502,123'Navigation system for use with an automobile and reading unit for the system'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to NIPPON DENSO CO (2)· patent assignee history
1985Based in Kariya, JP· patent location history
1990–1992Patents assigned to HITACHI LTD (4)· patent assignee history
1990Based in Hitachi, JP· patent location history
1992Based in Ibaraki, JP· patent location history
2006Patents assigned to SONY CORP (1)· patent assignee history
2006Based in Tokyo, JP· patent location history
2020Patents assigned to PANASONIC IP CORP AMERICA (1)· patent assignee history
2020Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1990–1992 |
| NIPPON DENSO CO | 2 | 1985 |
| PANASONIC IP CORP AMERICA | 1 | 2020 |
| SONY CORP | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 3 | 1990 |
| Kariya, JP | 2 | 1985 |
| Osaka, JP | 1 | 2020 |
| Tokyo, JP | 1 | 2006 |
| Ibaraki, JP | 1 | 1992 |