Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392308 | Semiconductor device having bumper portions integral with a heat sink | Kuniharu Muto, Atsushi Nishikizawa, Jyunichi Tsuchiya, Toshiyuki Hata, Ichio Shimizu | 2002-05-21 |
| 6320270 | Semiconductor device and method of producing the same | Kuniharu Muto, Atsushi Nishikizawa, Jyunichi Tsuchiya, Toshiyuki Hata, Ichio Shimizu | 2001-11-20 |
| 6104085 | Semiconductor device and method of producing the same | Kuniharu Muto, Atsushi Nishikizawa, Jyunichi Tsuchiya, Toshiyuki Hata, Ichio Shimizu | 2000-08-15 |
| 5956231 | Semiconductor device having power semiconductor elements | Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more | 1999-09-21 |
| 5808359 | Semiconductor device having a heat sink with bumpers for protecting outer leads | Kuniharu Muto, Atsushi Nishikizawa, Jyunichi Tsuchiya, Toshiyuki Hata, Ichio Shimizu | 1998-09-15 |
| 5621243 | Semiconductor device having thermal stress resistance structure | Noboru Baba, Hisanori Okamura, Masahiko Sakamoto, Hirosi Akiyama, Ryuichi Saito +4 more | 1997-04-15 |