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Inventor

Tomotaka Ishikawa

Inventor
Nagoya, JP

Overview

4→
Patents
1989–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy33%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
G01MTesting static or dynamic balance of machines or structures11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
11,011,762Fuel cell system202110,957,924Fuel cell system and method for controlling the fuel cell system202110,930,953Fuel cell system and method of controlling fuel cell system20214,862,066'Oil leakage sensor element'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to JUNKOSHA CO LTD (1)· patent assignee history
1989Based in Saitama, JP· patent location history
2021Patents assigned to TOYOTA MOTOR CO LTD (3)· patent assignee history
2021Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD32021
JUNKOSHA CO LTD11989
Locations
LocationPatentsSpan
Nagoya, JP32021
Saitama, JP11989