Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271163 | Aluminum nitride sintered body and method of preparing the same | Yasuhisa Yushio, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara, Yasuhiro Murase | 2001-08-07 |
| 6174614 | Sintered aluminum nitride body and metallized substrate prepared therefrom | Yasuhisa Yushio, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara | 2001-01-16 |
| 6028020 | Single crystal quartz thin film and preparation thereof | Takahiro Imai, Naoji Fujimori | 2000-02-22 |
| 6001748 | Single crystal of nitride and process for preparing the same | Kouichi Sogabe | 1999-12-14 |
| 5909036 | Group III-V nitride semiconductor device | Kouichi Sogabe | 1999-06-01 |
| 5879811 | Oxide thin film having quartz crystal structure | Takahiro Imai, Naoji Fujimori | 1999-03-09 |
| 5503912 | Ultra-thin film laminate | Makoto Setoyama, Akira Nakayama, Takashi Yoshioka, Yasuhisa Hashimoto, Kazuo Yamagata +1 more | 1996-04-02 |
| 5481150 | Brush and commutator motor having brush device using the same | Yasunori Hatano, Tadashi Ozawa | 1996-01-02 |
| 5478634 | Ultra-thin film laminate | Makoto Setoyama, Akira Nakayama, Takashi Yoshida, Yasuhisa Hashimoto, Kazuo Yamagata +1 more | 1995-12-26 |
| 5387832 | Brush and commutator motor having brush device using the same | Yasunori Hatano, Tadashi Ozawa, Tatsuya Ikegami, Hiroyuki Yoshizawa | 1995-02-07 |
| 5044222 | Drive apparatus for opening/closing an operation member | Fumikiyo Nakazawa | 1991-09-03 |
| 4973850 | Variable incident angle exposure apparatus | Minoru Watanuki | 1990-11-27 |