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Inventor

Isoji Takahashi

Inventor
Asaka, JP

Overview

7→
Patents
1976–1987
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.

G03Gprimary
G03GElectrography78%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
PatentTitleYear
4,697,912'Process head for electrophotographic apparatus'19874,600,291'Electro-photographic device with a processing head having multiple chambers'19864,179,290'Photoelectrophoretic photography process involving dual corona treatments of opposite polarity'19794,121,101'Method of recording radiographic images'19784,031,269'Electrostatic image forming method'19773,963,487'Electrophotographic process using separate photoconductive elements'19763,937,960'Charging device for electrophotography'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to FUJI PHOTO FILM CO LTD (6)· patent assignee history
1976Patents assigned to RANK XEROX LTD (1)· patent assignee history
1976–1979Based in Asaka, JP· patent location history
1976Based in Tokyo, JP· patent location history
1986Based in Kanagawa, JP· patent location history
1987Based in Minami-ashigara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD61976–1987
RANK XEROX LTD11976
Locations
LocationPatentsSpan
Asaka, JP41976–1979
Minami-ashigara, JP11987
Kanagawa, JP11986
Tokyo, JP11976