Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887721 | Method of purging CVD apparatus and method for judging maintenance of times of semiconductor production apparatuses | Hiroyuki Hasegawa, Tomonori Yamaoka, Yoshio Ishihara, Hiroshi Masusaki, Takayuki Satou +1 more | 2005-05-03 |
| 6491758 | CVD apparatus equipped with moisture monitoring | Hiroyuki Hasegawa, Tomonori Yamaoka, Hiroshi Masusaki, Takayuki Satou, Katsumasa Suzuki | 2002-12-10 |
| 5520716 | Al.sub.2 O.sub.3 -TiC sintered product and substrate for magnetic heads | Nobuoki Takagi, Shinichiro Masuyama | 1996-05-28 |
| 5246893 | Ceramic sintered body and process for preparation thereof | Nobuoki Takagi | 1993-09-21 |