Inventor

Toshiro Ohta

Inventor
Kanagawa, JP

Overview

6→
Patents
1982–2021
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer63%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
Y02PClimate change mitigation technologies in the production or processing of goods13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1991Patents assigned to SONY CORP (5)· patent assignee history
1982Based in Tokyo, JP· patent location history
1988–2021Based in Kanagawa, JP· patent location history
1990Patents assigned to HEWLETT PACKARD CO (1)· patent assignee history
2021Patents assigned to ENVISION AESC ENERGY DEVICES LTD (1)· patent assignee history
2021Patents assigned to NEC ENERGY DEVICES LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP51982–1991
ENVISION AESC ENERGY DEVICES LTD12021
HEWLETT PACKARD CO11990
NEC ENERGY DEVICES LTD12021
Locations
LocationPatentsSpan
Kanagawa, JP51988–2021
Tokyo, JP11982