IDiyas

For the Inventor, By the Inventor

Oita, Japan

Yasumi Koinuma

USPTO Granted Patents = 12

Average Co-Inventor Count = 4.1

ph-index = 5

Forward Citations = 141(Granted Patents)


Location History:

  • Tsukuba, JP (1995 - 1999)
  • Oita, JP (1989 - 2002)

Company Filing History:

goldMedal6 out of 326 
 
Nof Corporation
 patents
silverMedal6 out of 297 
 
Nippon Oil Fats Co., Ltd.
 patents
bronzeMedal1 out of 33,404 
 
Seiko Epson Corporation
 patents
where one patent can have more than one assignee

Years Active: 1989-2002

Loading Chart...
12 patents (USPTO):Explore Patents
1. 6417273 - Monomer composition for optical plastic optical material, optical plastic material, and lens (2002-07-09),
2. 5936703 - Alkoxysilane compound, surface processing solution and contact lens (1999-08-10),
3. 5807942 - Polymerized product of protein and process for producing it (1998-09-15),
4. 5594090 - Alkylene sulfide group-containing prepolymer, polymerizable composition (1997-01-14),
5. 5466853 - Diester monomer, its polymer, water-containing soft contact lens, and (1995-11-14),
6. 5461433 - Highly hydrous soft contact lens and a treating solution for contact (1995-10-24),
7. 5274059 - Maleimide copolymer and process for preparing same (1993-12-28),
8. 5179162 - N-substituted maleimide polymer composition (1993-01-12),
9. 5164451 - Maleimide copolymer, maleimide block copolymer and method for producing (1992-11-17),
10. 5140083 - Maleimide copolymer and process for preparing same (1992-08-18),
11. 4930879 - Synthetic resin lens (1990-06-05),
12. 4855374 - Optical resin from diallyl esters (1989-08-08),
This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…