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Inventor

Hirotoshi Kawai

Inventor
Tokyo, JP

Overview

3→
Patents
2013–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B60Lprimary
B60LPropulsion of electrically-propelled vehicles25%
Y02TClimate change mitigation technologies related to transportation25%
B61LGuiding railway traffic8%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors8%
G03CPhotosensitive materials for photographic purposes8%
H02JElectric power networks8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids8%
PatentTitleYear
10,766,367Train control device20209,083,194'Battery charging system and train'20158,543,275'Control device, control method, and electric motor car'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to TOSHIBA KK (3)· patent assignee history
2013–2015Patents assigned to KAWAI HIROTOSHI (2)· patent assignee history
2013–2015Patents assigned to KOGA TAKERU (2)· patent assignee history
2013–2015Patents assigned to KOIZUMI SATOSHI (2)· patent assignee history
2013–2015Patents assigned to NOGI MASAYUKI (2)· patent assignee history
2013–2015Based in Tokyo, JP· patent location history
2020Based in Setagaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK32013–2020
KAWAI HIROTOSHIself22013–2015
KOGA TAKERU22013–2015
KOIZUMI SATOSHI22013–2015
NOGI MASAYUKI22013–2015
Locations
LocationPatentsSpan
Tokyo, JP22013–2015
Setagaya, JP12020