Issued Patents 1994
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373157 | Quadrupole electrode and process for producing the same | Seiji Hiroki, Tetsuya Abe, Yoshio Murakami, Yoshishige Takano, Akira Yamakawa | 1994-12-13 |
| 5346869 | Sintered silicon nitride bodies suitable for use as high impact materials | Takao Nishioka, Takehisa Yamamoto, Kenji Matsunuma, Akira Yamakawa | 1994-09-13 |
| 5328876 | High strength silicon nitride sintered body and process for producing same | Takao Nishioka, Akira Kuibira, Kenji Matsunuma, Yoshishige Takano, Matsuo Higuchi +1 more | 1994-07-12 |
| 5312787 | Ceramics composite material and method of producing the same | Kiyoshi Uchida, Yukio Shimokawa, Hiroshi Nomura, Hirohiko Nakata | 1994-05-17 |
| 5306679 | Heat conductive colored aluminum nitride sintered body | Kouhei Shimoda, Takao Maeda, Kouichi Sogabe | 1994-04-26 |
| 5294388 | Heat conductive colored aluminum nitride sintered body and method of preparing the same | Kouhei Shimoda, Takao Maeda, Kouichi Sogahe | 1994-03-15 |
| 5293509 | Sintered body of aluminum nitride | Akira Yamakawa, Hitoyuki Sakanoue, Koichi Sogabe | 1994-03-08 |
| 5280208 | Composite bearing structure | Osamu Komura, Kenji Matsunuma, Norio Yasuoka, Matsuo Higuchi, Tetsuya Katayama +1 more | 1994-01-18 |
| 5275772 | Silicon nitride sintered body and process for producing the same | Takehisa Yamamoto, Takao Nishioka, Kenji Matsunuma, Akira Yamakawa | 1994-01-04 |