Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6566990 | Electromagnetic actuator and valve-open-close mechanism | Hitoshi Oyama, Takao Nishioka, Kenji Matsunuma | 2003-05-20 |
| 6371063 | Valve-open-close mechanism | Hitoshi Oyama, Takao Nishioka, Kenji Matsunuma, Takatoshi Takikawa, Toshihiko Kaji +1 more | 2002-04-16 |
| 6337146 | Hydrogen-occluding layered material | Shousaku Yamanaka, Yoshinobu Takeda, Nozomu Kawabe, Hideo Itozaki, Akira Nakayama +1 more | 2002-01-08 |
| 6329076 | Hydrogen storage material and manufacturing method of the same | Nozomu Kawabe, Shousaku Yamanaka, Yoshinobu Takeda, Takashi Uemura | 2001-12-11 |
| 6001748 | Single crystal of nitride and process for preparing the same | Motoyuki Tanaka | 1999-12-14 |
| 5909036 | Group III-V nitride semiconductor device | Motoyuki Tanaka | 1999-06-01 |
| 5529962 | Aluminum nitride sintered body and method of producing the same | Seiji Nakahata, Takahiro Matsuura, Akira Yamakawa | 1996-06-25 |
| 5482905 | Aluminum nitride sintered body and method of producing the same | Seiji Nakahata, Takahiro Matsuura, Akira Yamakawa | 1996-01-09 |
| 5449648 | Method for preparing an aluminum nitride sintered body | Seiji Nakahata, Takahiro Matsuura, Akira Yamakawa | 1995-09-12 |
| 5395694 | Aluminum nitride powder having surface layer containing oxynitride | Takahiro Matsuura, Seiji Nakahata, Akira Yamakawa | 1995-03-07 |
| 5393715 | Aluminum nitride sintered body and method of preparing the same | Seiji Nakahata, Takahiro Matsuura, Akira Yamakawa | 1995-02-28 |
| 5343150 | Apparatus and method for measuring a physical property of a sample using an electron spin resonance spectrum of the sample | Seiji Nakahata, Akira Yamakawa | 1994-08-30 |
| 5306679 | Heat conductive colored aluminum nitride sintered body | Kouhei Shimoda, Takao Maeda, Masaya Miyake | 1994-04-26 |
| 5147832 | Thermal conductive colored aluminum nitride sintered body and method of preparing the same | Kouhei Shimoda, Takao Maeda, Masaya Miyake | 1992-09-15 |