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Inventor

Tsutomu Shoji

Inventor
Kanagawa, JP

Overview

5→
Patents
1988–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

G03Gprimary
G03GElectrography33%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers33%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
PatentTitleYear
11,031,658Bus bar module and battery pack20217,519,175'Integral microphone and speaker configuration type two-way communication apparatus'20097,386,109'Communication apparatus'20084,766,463'Image forming apparatus'19884,737,821'Colored image recording device'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to RICOH KK (2)· patent assignee history
1988Based in Yokohama, JP· patent location history
2008–2009Patents assigned to SONY CORP (2)· patent assignee history
2008–2009Based in Kanagawa, JP· patent location history
2021Patents assigned to YAZAKI CORP (1)· patent assignee history
2021Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK21988
SONY CORP22008–2009
YAZAKI CORP12021
Locations
LocationPatentsSpan
Kanagawa, JP22008–2009
Yokohama, JP21988
Shizuoka, JP12021