Inventor

Hiroaki Otani

Inventor
Fuchu, JP

Overview

13→
Patents
1978–2020
Patent span
Electricity
Primary field (CPC H)

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%

Career & 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
AssigneePatentsSpan
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP62018–2020
TOKAI RYOKAKU TETSUDO KK52018–2020
TOSHIBA KK42017–2020
NIPPON PROSENSOR CO LTD21978
SANSHIN KOGYO KK21986–1990
Locations
LocationPatentsSpan
Fuchu, JP82017–2020
Kawasaki, JP21978
Tokyo, JP12017
Hamamatsu, JP11990
Shizuoka, JP11986