Inventor

Wataru Kato

Inventor
Tokyo, JP

Overview

18→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 18 as inventor

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

B60Lprimary
B60LPropulsion of electrically-propelled vehicles9%
H01GCapacitors9%
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 systems6%
H04NPictorial communication, e.g. television6%
Y02TClimate change mitigation technologies related to transportation6%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
G03GElectrography4%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2012Patents assigned to HITACHI LTD (3)· patent assignee history
2006–2012Based in Chigasaki, JP· patent location history
2010–2016Patents assigned to SONY CORP (2)· patent assignee history
2010–2021Based in Tokyo, JP· patent location history
2012–2016Patents assigned to KATO WATARU (3)· patent assignee history
2016–2020Patents assigned to FUJI HEAVY IND LTD (2)· patent assignee history
2018–2020Patents assigned to KYOCERA CORP (3)· patent assignee history
2020Based in Daito, JP· patent location history
2021Based in Toyota, JP· patent location history
2021Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31992–2012
KATO WATARUself32012–2016
KYOCERA CORP32018–2020
FUJI HEAVY IND LTD22016–2020
SONY CORP22010–2016
Locations
LocationPatentsSpan
Tokyo, JP52010–2021
Daito, JP22020
Chigasaki, JP22006–2012
Toyota, JP12021
Aichi, JP12021