HK

Hideya Kokubun

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HC Hitachi Haramachi Electronics Co.: 4 patents #1 of 64Top 2%
Overall (All Time): #1,260,505 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7141741 Circuit board Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 2006-11-28
6434008 Semiconductor device Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 2002-08-13
5956231 Semiconductor device having power semiconductor elements Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 1999-09-21
5621243 Semiconductor device having thermal stress resistance structure Noboru Baba, Hisanori Okamura, Masahiko Sakamoto, Hirosi Akiyama, Ryuichi Saito +4 more 1997-04-15