Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701177 | Method for detecting fault of optical fiber gyro and apparatus for diagnosing fault of the same | Tatsuya Kumagai, Hiroshi Kajioka, Munehiro Akiyama, Shigeru Oho, Hisao Sonobe | 1997-12-23 |
| 5673002 | Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements | Atsushi Matsuda, Tachio Yuasa | 1997-09-30 |
| 5650652 | Input/output protection circuit and semiconductor device having the same | Toru Mizutani, Kunihiko Gotoh | 1997-07-22 |
| 5648150 | Magnetic recording medium having a backcoat layer containing carbon black and platelet inorganic powder | Yasushi Nagayama, Ikuo Matsumoto | 1997-07-15 |
| 5615291 | Capillary for optical fiber connectors and method of manufacturing the same | Makoto Hayakawa, Takeshi Yamauchi | 1997-03-25 |
| 5606287 | Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements | Atsushi Matsuda, Tachio Yuasa | 1997-02-25 |
| 5597425 | Rare earth cast alloy permanent magnets and methods of preparation | Koji Akioka, Tatsuya Shimoda, Toshiyuki Ishibashi, Ryuichi Ozaki | 1997-01-28 |