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Inventor

Hidefumi Nishitsuji

Inventor
Yokohama, JP

Overview

4→
Patents
1983–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

G03Gprimary
G03GElectrography33%
B01DSeparation17%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling17%
F17DPipe-line systems17%
H04NPictorial communication, e.g. television17%
PatentTitleYear
10,918,977Suction nozzle and fluid recovery apparatus20215,623,301'Digital copier with memory occupancy calculation'19974,914,476'Device for displaying warm-up waiting time of image forming apparatus'19904,384,785'Charge quenching apparatus for electrophotographic copying machine'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1997Patents assigned to RICOH KK (3)· patent assignee history
1983Based in Kawasaki, JP· patent location history
1990–1997Based in Yokohama, JP· patent location history
2021Patents assigned to NITTO KOHKI CO (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK31983–1997
NITTO KOHKI CO12021
Locations
LocationPatentsSpan
Yokohama, JP21990–1997
Tokyo, JP12021
Kawasaki, JP11983