Inventor

Ryubun Seimiya

Inventor
Hino, JP

Overview

10→
Patents
1982–1990
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G03Gprimary
G03GElectrography62%
H04NPictorial communication, e.g. television15%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1985Patents assigned to KONISHIROKU PHOTO IND (7)· patent assignee history
1982–1985Based in Hachioji, JP· patent location history
1984–1990Based in Hino, JP· patent location history
1987–1988Patents assigned to RICOH KK (2)· patent assignee history
1987Based in Tokyo, JP· patent location history
1990Patents assigned to DEMIZU HIROMI (1)· patent assignee history
1990Patents assigned to OBU MAKOTO (1)· patent assignee history
1990Patents assigned to SEIMIYA RYUBUN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND71982–1985
RICOH KK21987–1988
DEMIZU HIROMI11990
OBU MAKOTO11990
SEIMIYA RYUBUNself11990
Locations
LocationPatentsSpan
Hino, JP51984–1990
Hachioji, JP41982–1985
Tokyo, JP11987