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Inventor

Katsuhiko Ohtani

Inventor
Tokyo, JP

Overview

4→
Patents
1976–2001
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.

B41Jprimary
B41JTypewriters29%
G03CPhotosensitive materials for photographic purposes29%
B26DCutting14%
G03GElectrography14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
6,216,576'Plotters'20016,042,281'Printing apparatus'20004,054,458'Gelatino silver halide photosensitive material'19773,955,983'Process for forming a color image on an exposed photosensitive material'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to FUJI PHOTO FILM CO LTD (2)· patent assignee history
1976–1977Based in Minami-ashigara, JP· patent location history
2000–2001Patents assigned to MUTOH IND LTD (2)· patent assignee history
2000–2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD21976–1977
MUTOH IND LTD22000–2001
Locations
LocationPatentsSpan
Tokyo, JP22000–2001
Minami-ashigara, JP21976–1977