HH

Hiroaki Hirakura

HC Hitachi Chemical Company: 5 patents #314 of 1,946Top 20%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Ibaraki, JP: #1,651 of 6,779 inventorsTop 25%
Overall (All Time): #875,767 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7071243 Photo-cured film, and photosensitive element, printed wiring board and semiconductor package using such film Kuniaki Sato, Toshihiko Ito, Takao Hirayama, Toshizumi Yoshino 2006-07-04
6692793 Photo-cured film, and photosensitive element, printed wiring board and semiconductor package using such film Kuniaki Sato, Toshihiko Ito, Takao Hirayama, Toshizumi Yoshino 2004-02-17
6583198 Photo curable resin composition and photosensitive element Kuniaki Sato, Toshihiko Ito, Takao Hirayama, Toshizumi Yoshino 2003-06-24
6238840 Photosensitive resin composition Takao Hirayama, Kuniaki Sato, Toshihiko Ito, Toshizumi Yoshino 2001-05-29
6060215 Photosensitive resin composition and application of its photosensitivity Jin Amanokura, Fumihiko Ota, Ritsuko Obata, Toshihiko Akahori, Kenji Suzuki +3 more 2000-05-09
5885723 Bonding film for printed circuit boards Atsushi Takahashi, Shinji Ogi, Koji Morita, Kazunori Yamamoto, Ken Nanaumi +4 more 1999-03-23