Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373157 | Quadrupole electrode and process for producing the same | Seiji Hiroki, Tetsuya Abe, Yoshio Murakami, Akira Yamakawa, Masaya Miyake | 1994-12-13 |
| 5328876 | High strength silicon nitride sintered body and process for producing same | Takao Nishioka, Akira Kuibira, Kenji Matsunuma, Matsuo Higuchi, Masaaki Honda +1 more | 1994-07-12 |