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Inventor

Tetuya Ishizuka

Inventor
Tokyo, JP

Overview

3→
Patents
1989–1991
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Dprimary
G03DApparatus for processing exposed photographic materials50%
G03CPhotosensitive materials for photographic purposes25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,071,734'Method for processing silver halide color photographic materials'19914,943,823'Structure of washing conveyance roller for photosensitive material processing machine'19904,887,116'Light-sensitive material feeding rack'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to FUJI PHOTO FILM CO LTD (3)· patent assignee history
1989–1991Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD31989–1991
Locations
LocationPatentsSpan
Tokyo, JP31989–1991