Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7568272 | Press-forming method, press-forming machine and press-formed product | Tsukasa Morita, Noriaki Kawauchi, Toshihiro Seki | 2009-08-04 |
| 5062771 | Vacuum system with a secondary gas also connected to the roughing pump for a semiconductor processing chamber | Tadao Kusaka, Shigeo Tomiyama, Kouzi Aoki, Ichiro Gyobu, Kimio Muramatsu +4 more | 1991-11-05 |
| 4835114 | Method for LPCVD of semiconductors using oil free vacuum pumps | Tadao Kusaka, Shigeo Tomiyama, Kouzi Aoki, Ichiro Gyobu, Kimio Muramatsu +4 more | 1989-05-30 |