Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8024622 | Abnormality detection frequency set when it is indicated that abnormality will occur | Kazuhiko NARUSHIMA, Shigekazu Yamagishi, Makoto Hashimoto, Masafumi Ono, Hinki Ryu +1 more | 2011-09-20 |
| 7867881 | Method of manufacturing nitride semiconductor substrate | Takeshi Meguro, Takayuki Suzuki | 2011-01-11 |
| 7249110 | Individual authentication method, individual authentication apparatus, accounting method, accounting apparatus | Yasunari Kimura | 2007-07-24 |
| 5689525 | Direct-sequence spread-spectrum communication system | Minako Takeishi, Kenichi Takahashi | 1997-11-18 |
| 5583852 | Wireless data communication system | Kenichi Takahashi, Minako Takeishi | 1996-12-10 |
| 5563608 | Position measuring system and method therefor | Ryobun Tachita, Akihisa Kawasaki, Izumi Sato | 1996-10-08 |
| 5081462 | Method of deriving phase of pseudo-random code signal in global positioning system receiver | Ryobun Tachita | 1992-01-14 |
| 4800577 | GPS receiver | Ryobun Tachita, Akio Teranishi | 1989-01-24 |