P

Inventor

ONO TAKEZO

5 patents
⚠️ This page may combine multiple inventors who share the name “ONO TAKEZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TEIJIN LTD

3 patents
US4217188AAug 12, 1980

Method for storing developers

TEIJIN LTD14 citations70
US4204930AMay 27, 1980

Method and apparatus for regenerating spent photographic bleach-fixer solution

TEIJIN LTD10 citations70
US4145271AMar 20, 1979

Method for regenerating oxidized photographic developers

TEIJIN LTD8 citations69

TEIJIN ENG

1 patent
US4256559AMar 17, 1981

Method and apparatus for regenerating spent photographic bleach-fixer solution

TEIJIN ENG11 citations68

NIPPON EVR LIMITED

1 patent
US4089760AMay 16, 1978

Method for regenerating waste developers used for processing silver halide photographic materials and method for storing developers

NIPPON EVR LIMITED13 citations66