LexDanaLexDanabeta
Inventor

Kohei Hamanishi

Inventor
Tokyo, JP

Overview

2→
Patents
1990–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%
C08LCompositions of macromolecular compounds20%
G11BInformation storage based on relative movement between record carrier and transducer20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,158,988'Photo-curable silicone compositions and adhesive silicone compositions'19924,908,294'Optical information recording medium'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to OLYMPUS OPTICAL CO (1)· patent assignee history
1990–1992Based in Tokyo, JP· patent location history
1992Patents assigned to TOSHIBA SILICONE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO11990
TOSHIBA SILICONE11992
Locations
LocationPatentsSpan
Tokyo, JP21990–1992