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Inventor

Satoru Yoshioka

Inventor
Yokohama, JP

Overview

7→
Patents
1984–2012
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

B41Jprimary
B41JTypewriters22%
G02BOptical elements, systems or apparatus22%
G03GElectrography22%
G06KGraphical data reading11%
H04NPictorial communication, e.g. television11%
H05BElectric heating11%
PatentTitleYear
8,330,380'Control circuit for light emitting device'20127,864,461'Camera module'20115,309,211'Process unit having two chambers for storing waste developer'19945,285,250'Waste toner collecting device for electrophotographic equipment'19944,943,128'Light scanning device'19904,741,640'Ink ribbon cartridge of a printing machine'19884,479,730'Ribbon cartridge'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1994Patents assigned to RICOH KK (5)· patent assignee history
1984Based in Tokyo, JP· patent location history
1988–1990Based in Kamakura, JP· patent location history
1994Based in Yokohama, JP· patent location history
2011Patents assigned to SONY CORP (1)· patent assignee history
2011Based in Chiba, JP· patent location history
2012Patents assigned to FUJIMURA YOSHIO (1)· patent assignee history
2012Patents assigned to NISHIZAKI YUSUKE (1)· patent assignee history
2012Patents assigned to SEMICONDUCTOR COMPONENTS IND (1)· patent assignee history
2012Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK51984–1994
FUJIMURA YOSHIO12012
NISHIZAKI YUSUKE12012
SEMICONDUCTOR COMPONENTS IND12012
SONY CORP12011
Locations
LocationPatentsSpan
Yokohama, JP21994
Kamakura, JP21988–1990
Gunma, JP12012
Chiba, JP12011
Tokyo, JP11984