Inventor
Hisao Hoshi
Inventor
Tokorozawa, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%
G03GElectrography33%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%
PatentTitleYear
5,559,621'Liquid crystal having a plurality of rectilinear barrier members'19965,232,634'Color filter for multi-color liquid-crystal display panel and process of fabricating such color filters'19934,268,158'Dry planographic printing apparatus'19814,175,958'Dry planographic printing method and plate made by electrophotographic method using conductive toner'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1996Patents assigned to TOPPAN PRINTING CO LTD (4)· patent assignee history
1979–1981Based in Tokorozawa, JP· patent location history
1993Based in Saitama, JP· patent location history
1996Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOPPAN PRINTING CO LTD | 4 | 1979–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 2 | 1979–1981 |
| Tokyo, JP | 1 | 1996 |
| Saitama, JP | 1 | 1993 |