Inventor
Yasuji Kida
Inventor
Kudamatsu, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds16%
G02BOptical elements, systems or apparatus16%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
G03CPhotosensitive materials for photographic purposes8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C07CAcyclic or carbocyclic compounds4%
PatentTitleYear
5,349,065'Photochromic compound'19945,214,116'Resin derived from sulfur-containing unsaturated compound and having a high refractive index'19935,130,058'Photochromic compound, process for production thereof, use thereof and composition containing said photochromic compound'19925,106,998'Photochromic compound, composition and use thereof'19924,960,678'Photochromic compounds'19904,882,438'Photochromatic compounds'19894,647,639'Monomeric mixture for cured polymeric material used in organic glass'19874,602,075'Monomeric mixture for cured polymeric material used in organic glass'19864,369,298'Novel cured resin, process for production thereof, and lens composed of said resin from bis(alkyleneoxyphenyl)-diacrylate, bis(alkyleneoxyphenyl)diallyl ether, bis(alkyleneoxyphenyl)diallyl carbonate monomers'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1994Patents assigned to TOKUYAMA SODA KK (9)· patent assignee history
1983–1994Based in Kudamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKUYAMA SODA KK | 9 | 1983–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kudamatsu, JP | 9 | 1983–1994 |