AS

Akihiko Shibuya

DC Dainichiseika Color & Chemicals Mfg. Co.: 2 patents #125 of 376Top 35%
HO Hoya: 2 patents #523 of 1,290Top 45%
UC Ukima Colour & Chemicals Mfg. Co.: 2 patents #15 of 47Top 35%
HH Hoya Healthcare: 1 patents #2 of 14Top 15%
Overall (All Time): #1,042,242 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6585768 Intraocular lenses and process for the producing molded-in type intraocular lenses Migio Hamano, Takuji Yamaya 2003-07-01
5925294 Process for the production of an intraocular lens 1999-07-20
5876441 Intraocular lens with a press stretched portion 1999-03-02
5262492 Siloxane-modified polyester resins and production processes thereof Kazuyuki Hanada, Iwao Misaizu, Katsumi Kuriyama 1993-11-16
5068295 Water and oil repellants Iwao Misaizu, Kazuyuki Hanada, Katsumi Kuriyama 1991-11-26