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Inventor

Shin Hosonuma

Inventor
Nagoya, JP

Overview

5→
Patents
1989–1994
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus63%
C08JWorking-up13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments13%
PatentTitleYear
5,354,513'Polarizing film'19945,286,418'Polarizing film'19945,059,356'Polarizing film'19914,842,781'Colored polarizing film and method of making same'19894,824,882'Polarizing film'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to MITSUI TOATSU CHEMICALS (5)· patent assignee history
1989–1994Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI TOATSU CHEMICALS51989–1994
Locations
LocationPatentsSpan
Nagoya, JP51989–1994