Inventor

Taihei Koyama

Inventor
Tokyo, JP

Overview

5→
Patents
2009–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Lprimary
B60LPropulsion of electrically-propelled vehicles15%
H02KDynamo-electric machines15%
Y02TClimate change mitigation technologies related to transportation15%
B61CLocomotives8%
B66BElevators8%
F04DNon-positive-displacement pumps8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
LOC108%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Based in Hucyu, JP· patent location history
2010–2013Patents assigned to TOSHIBA KK (3)· patent assignee history
2010–2021Based in Tokyo, JP· patent location history
2012–2013Patents assigned to KOYAMA TAIHEI (2)· patent assignee history
2012Patents assigned to KAKUCHI TAKEO (1)· patent assignee history
2012Patents assigned to KUROKAWA KENYA (1)· patent assignee history
2012–2013Based in Tachikawa, JP· patent location history
2021Patents assigned to CITIZEN WATCH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK32010–2013
KOYAMA TAIHEIself22012–2013
CITIZEN WATCH CO LTD12021
KAKUCHI TAKEO12012
KUROKAWA KENYA12012
Locations
LocationPatentsSpan
Tokyo, JP22010–2021
Tachikawa, JP22012–2013
Hucyu, JP12009