LexDanaLexDanabeta
Inventor

Kohei Michikawa

Inventor
Yokohama, JP

Overview

3→
Patents
1989–1997
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes33%
B41NPrinting plates or foils33%
G03GElectrography33%
PatentTitleYear
5,604,176'Heat-sensitive recording material'19974,879,195'Laser-sensitive electrophotographic material'19894,834,797'Fat-desensitizing composition for litho printing plates comprising phytic acid, polyethylene glycol and a glycol compound'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to OJI PAPER CO (2)· patent assignee history
1989Based in Yokohama, JP· patent location history
1997Patents assigned to NEW OJI PAPER CO LTD (1)· patent assignee history
1997Based in Amagasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OJI PAPER CO21989
NEW OJI PAPER CO LTD11997
Locations
LocationPatentsSpan
Yokohama, JP21989
Amagasaki, JP11997