Inventor

Kenichi Iizumi

Inventor

Ibaraki, JP

Overview

1988–1999

Patent span

Performing operations

Primary field (CPC B)

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

B42Bprimary

B42BPermanently attaching together sheets, quires or signatures or permanently attaching objects thereto27%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%

C07DHeterocyclic compounds18%

B42CBookbinding9%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to TOKYO TANABE CO (2)· patent assignee history

1988–1989Based in Mitaka, JP· patent location history

1992–1996Patents assigned to CANON KK (4)· patent assignee history

1992Patents assigned to DAIICHI SEIKI KAISHA KABUSHIKI (1)· patent assignee history

1992Patents assigned to DAIICHI SEIKI KOGYO KK (1)· patent assignee history

1992–1999Based in Ibaraki, JP· patent location history

1996–1999Patents assigned to CANON APTEX INC (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	4	1992–1996
CANON APTEX INC	2	1996–1999
TOKYO TANABE CO	2	1988–1989
DAIICHI SEIKI KAISHA KABUSHIKI	1	1992
DAIICHI SEIKI KOGYO KK	1	1992

Locations

Location	Patents	Span
Ibaraki, JP	5	1992–1999
Mitaka, JP	2	1988–1989