Inventor

Keiji Hanamoto

Inventor
Tokyo, JP

Overview

15→
Patents
1985–2006
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

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

B29Cprimary
B29CShaping or joining of plastics37%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
B41MPrinting, duplicating, marking, or copying processes7%
B44CProducing decorative effects7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C08LCompositions of macromolecular compounds3%
G02BOptical elements, systems or apparatus3%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2006Patents assigned to DAINIPPON PRINTING CO LTD (15)· patent assignee history
1985Based in Saitama, JP· patent location history
1987–1991Based in Miyoshi, JP· patent location history
1994–2003Based in Tokyo, JP· patent location history
2003Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history
2003–2006Based in Shinjuku-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON PRINTING CO LTD151985–2006
ASAHI CHEMICAL IND12003
Locations
LocationPatentsSpan
Tokyo, JP91994–2003
Miyoshi, JP31987–1991
Shinjuku-ku, JP22003–2006
Saitama, JP11985