Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5399536 | Silicon nitride sintered body | Koichi Sogabe | 1995-03-21 |
| 5395694 | Aluminum nitride powder having surface layer containing oxynitride | Kouichi Sogabe, Takahiro Matsuura, Seiji Nakahata | 1995-03-07 |
| 5394015 | Method of producing sintered silicon nitrides | Yasushi Tsuzuki, Tomoyuki Awazu | 1995-02-28 |
| 5393715 | Aluminum nitride sintered body and method of preparing the same | Seiji Nakahata, Takahiro Matsuura, Kouichi Sogabe | 1995-02-28 |
| 5385701 | Method of molding silicon nitride ceramics | Tomoyuki Awazu, Yasushi Tsuzuki, Osamu Komura | 1995-01-31 |
| 5384292 | Silicon nitride composite sintered body and process for producing the same | Jin-Joo Matsui, Osamu Komura, Masaya Miyake | 1995-01-24 |
| 5373157 | Quadrupole electrode and process for producing the same | Seiji Hiroki, Tetsuya Abe, Yoshio Murakami, Yoshishige Takano, Masaya Miyake | 1994-12-13 |
| 5372099 | Ceramic adjusting shim | Kenji Matsunuma, Takao Nishioka | 1994-12-13 |
| 5370907 | Forming a metallized layer on an AlN substrate by applying and heating a paste of a metal composed of W and Mo | Nobuo Ogasa | 1994-12-06 |
| 5369065 | Silicon nitride sintered body and process for producing the same | Masashi Yoshimura, Jin-Joo Matsui, Takehisa Yamamoto | 1994-11-29 |
| 5358797 | Adjusting shim | Kenji Matsunuma, Takao Nishioka, Takehisa Yamamoto | 1994-10-25 |
| 5356842 | Composite ceramic powder and production process thereof | Koichi Sogabe | 1994-10-18 |
| 5352641 | Silicon nitride composite sintered body and process for producing same | Jin-Joo Matsui | 1994-10-04 |
| 5346869 | Sintered silicon nitride bodies suitable for use as high impact materials | Takao Nishioka, Takehisa Yamamoto, Kenji Matsunuma, Masaya Miyake | 1994-09-13 |
| 5343150 | Apparatus and method for measuring a physical property of a sample using an electron spin resonance spectrum of the sample | Seiji Nakahata, Kouichi Sogabe | 1994-08-30 |
| 5312786 | Aluminum nitride sintered body and process for producing the same | Douiti Sogabe, Kohei Shimoda | 1994-05-17 |
| 5297365 | Method of machining silicon nitride ceramics and silicon nitride ceramics products | Takao Nishioka, Kenji Matsunuma | 1994-03-29 |
| 5292552 | Method for forming metallized layer on an aluminum nitride sintered body | Akira Sasame | 1994-03-08 |
| 5293509 | Sintered body of aluminum nitride | Masaya Miyake, Hitoyuki Sakanoue, Koichi Sogabe | 1994-03-08 |
| 5280208 | Composite bearing structure | Osamu Komura, Kenji Matsunuma, Norio Yasuoka, Matsuo Higuchi, Masaya Miyake +1 more | 1994-01-18 |
| 5275772 | Silicon nitride sintered body and process for producing the same | Takehisa Yamamoto, Takao Nishioka, Kenji Matsunuma, Masaya Miyake | 1994-01-04 |
| 5275986 | Silicon nitride sintered body | Takehisa Yamamoto, Takao Nishioka, Tomoyuki Awazu | 1994-01-04 |
| 5273700 | Aluminum nitride sintered body and process for producing the same | Kouiti Sogabe, Kohei Shimoda, Masaya Miyake | 1993-12-28 |
| 5264388 | Sintered body of aluminum nitride | Masaya Miyake, Hitoyuki Sakanoue, Koichi Sogabe | 1993-11-23 |
| 5262366 | Formation of a ceramic composite by centrifugal casting | Yoshihiko Doi, Masaya Miyake | 1993-11-16 |