Inventor

Katsunori Katoh

Inventor
Hachioji, JP

Overview

20→
Patents
1985–1998
Patent span
Physics
Primary field (CPC G)

Patents· 20 as inventor

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

G03Cprimary
G03CPhotosensitive materials for photographic purposes41%
C07DHeterocyclic compounds18%
B41MPrinting, duplicating, marking, or copying processes13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments8%
C07CAcyclic or carbocyclic compounds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
H04NPictorial communication, e.g. television3%
Y10TTechnical subjects covered by former us classification3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1998Patents assigned to KONISHIROKU PHOTO IND (19)· patent assignee history
1985–1995Based in Hachioji, JP· patent location history
1986–1998Based in Hino, JP· patent location history
1989Patents assigned to CANON KK (1)· patent assignee history
1989–1991Based in Tokyo, JP· patent location history
1989Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND191985–1998
CANON KK11989
Locations
LocationPatentsSpan
Hachioji, JP101985–1995
Hino, JP71986–1998
Tokyo, JP21989–1991
Kawasaki, JP11989