YI

Yasuhisa Ishida

HC Hitachi Chemical Company: 3 patents #513 of 1,946Top 30%
Overall (All Time): #1,518,198 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9012028 Optical resin composition, optical resin material using the same, optical Tooru Takahashi, Hisashige Kanbara, Hidekazu Kondou 2015-04-21
8859683 Optical resin composition, optical resin material using the same, optical filter for image display device, and image display device Tooru Takahashi, Hisashige Kanbara, Hidekazu Kondou 2014-10-14
8653200 Optical resin composition, optical resin material using the same, optical filter for image display device, and image display device Tooru Takahashi, Hisashige Kanbara, Hidekazu Kondou 2014-02-18