Inventor
Hiroaki Otani
Inventor
Fuchu, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Lprimary
B60LPropulsion of electrically-propelled vehicles20%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters15%
Y02TClimate change mitigation technologies related to transportation15%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems12%
H02JElectric power networks7%
B63HMarine propulsion or steering5%
G01RMeasuring electric variables5%
G08BSignalling systems, e.g. personal calling systems5%
B61CLocomotives2%
B62DMotor vehicles2%
PatentTitleYear
10,814,725Vehicle controller and electric vehicle202010,666,130Electric power conversion system202010,611,245Power conversion system202010,538,162Power conversion system202010,525,838Power conversion system202010,259,326Car control device201910,005,362Electric vehicle control device20189,837,950Vehicle control device and railroad vehicle20179,555,815'Electric power conversion device, emergency traveling system and railway vehicle'20174,963,110'Exhaust system for marine propulsion'19904,575,310'Propeller shock absorber for marine propulsion device'19864,123,748'Burglar alarms utilizing ultrasonic waves'19784,106,003'Signal treatment circuit for burglar alarms'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to NIPPON PROSENSOR CO LTD (2)· patent assignee history
1978Based in Kawasaki, JP· patent location history
1986–1990Patents assigned to SANSHIN KOGYO KK (2)· patent assignee history
1986Based in Shizuoka, JP· patent location history
1990Based in Hamamatsu, JP· patent location history
2017–2020Patents assigned to TOSHIBA KK (4)· patent assignee history
2017–2020Based in Fuchu, JP· patent location history
2017Based in Tokyo, JP· patent location history
2018–2020Patents assigned to TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP (6)· patent assignee history
2018–2020Patents assigned to TOKAI RYOKAKU TETSUDO KK (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP | 6 | 2018–2020 |
| TOKAI RYOKAKU TETSUDO KK | 5 | 2018–2020 |
| TOSHIBA KK | 4 | 2017–2020 |
| NIPPON PROSENSOR CO LTD | 2 | 1978 |
| SANSHIN KOGYO KK | 2 | 1986–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fuchu, JP | 8 | 2017–2020 |
| Kawasaki, JP | 2 | 1978 |
| Tokyo, JP | 1 | 2017 |
| Hamamatsu, JP | 1 | 1990 |
| Shizuoka, JP | 1 | 1986 |