KH

Keizo Hirai

HC Hitachi Chemical Company: 5 patents #314 of 1,946Top 20%
Overall (All Time): #1,031,669 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7163644 CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate Toshihiko Akahori, Toranosuke Ashizawa, Miho Kurihara, Masato Yoshida, Yasushi Kurata 2007-01-16
6783434 CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate Toshihiko Akahori, Toranosuke Ashizawa, Miho Kurihara, Masato Yoshida, Yasushi Kurata 2004-08-31
6372859 Thermoresistance adhesive and semiconductor device using the same Touichi Sakata, Hiroshi Nishizawa, Kenji Suzuki 2002-04-16
6042933 Electric circuit device having circuit conductors using an electroconductive paste Hiroshi Wada, Akihiro Sasaki, Hisashi Kaga, Junichi Kikuchi, Shozo Yamana +1 more 2000-03-28
5840432 Electroconductive paste Hiroshi Wada, Akihiro Sasaki, Hisashi Kaga, Junichi Kikuchi, Shozo Yamana +1 more 1998-11-24