HK

Hisayuki Kayanoki

NC Nippon Arc Co.: 7 patents #1 of 6Top 20%
NL Nippon Sheet Glass Company, Limited: 4 patents #202 of 836Top 25%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Overall (All Time): #470,893 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6946498 Coating composition and article coated with the composition 2005-09-20
6890644 Transparent laminate, plastic lens for eyeglass and primer composition 2005-05-10
6703131 Coated article 2004-03-09
6440568 Plastic lenses and primer composition used for coating the same Fujio Sawaragi 2002-08-27
5963373 Primer composition 1999-10-05
5858077 Coating composition capable of yielding a cured product having a high refractive index and coated articles obtained therefrom 1999-01-12
5654090 Coating composition capable of yielding a cured product having a high refractive index and coated articles obtained therefrom 1997-08-05
5496641 Plastic lens Shoji Mase, Noboru Otani, Motoaki Yoshida, Satoshi Ishizuka, Naoto Hirayama 1996-03-05
5171806 Optical material and composition for optical material Koichi Maeda, Akio Takigawa 1992-12-15
5108857 Light control sheets Shinichiro Kitayama, Teruho Adachi, Masahiro Ueda, Yuichi Aoki, Satoshi Shiiki +4 more 1992-04-28
4929523 Light control sheets Shinichiro Kitayama, Teruho Adachi, Masahiro Ueda, Yuichi Aoki, Satoshi Shiiki +4 more 1990-05-29