Inventor

Tohru Kitahara

Inventor

Minamatashi, JP

Overview

6→

Patents

1979–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium38%

G03CPhotosensitive materials for photographic purposes38%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

PatentTitleYear

5,194,368'Method for processing silver halide photographic light-sensitive materials'1993 5,059,514'Method for processing silver halide color photographic light-sensitive materials'1991 4,297,499'Novel disubstituted dichlorosilane and method for producing same'1981 4,292,433'Method for producing 3-chloropropyltrichlorosilane'1981 4,242,272'Substituted phenethyldichlorosilanes and method for producing same'1980 4,163,023'Treatment of photographic processing solutions'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1993Patents assigned to FUJI PHOTO FILM CO LTD (3)· patent assignee history

1979Based in Odawara, JP· patent location history

1980–1981Patents assigned to CHISSO CORP (3)· patent assignee history

1980–1981Based in Minamatashi, JP· patent location history

1991–1993Based in Minami-ashigara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHISSO CORP	3	1980–1981
FUJI PHOTO FILM CO LTD	3	1979–1993

Locations

Location	Patents	Span
Minamatashi, JP	3	1980–1981
Minami-ashigara, JP	2	1991–1993
Odawara, JP	1	1979