Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5808462 | Apparatus for detecting the amplitude and phase of an a.c. signal | Toshiyuki Fujii, Shinzo Tamai, Naohiro Toki | 1998-09-15 |
| 5731698 | Apparatus for detecting the amplitude and phase of an a.c. signal | Toshiyuki Fujii, Shinzo Tamai, Naohiro Toki | 1998-03-24 |
| 5717583 | Power converter control apparatus for controlling commutation of switching devices under transient conditions | Masamori Nobayashi, Koji Yamaji, Kazuo Kato, Naohiro Toki, Shinzo Tamai +1 more | 1998-02-10 |
| 5714877 | Apparatus for detecting the amplitude and phase of an A.C. signal | Toshiyuki Fujii, Shinzo Tamai, Naohiro Toki | 1998-02-03 |
| 5602469 | Apparatus for detecting the amplitude and phase of an a.c. signal | Toshiyuki Fujii, Shinzo Tamai, Naohiro Toki | 1997-02-11 |
| 5498955 | Apparatus for detecting the amplitude and phase of an a.c. signal | Toshiyuki Fujii, Shinzo Tamai, Naohiro Toki | 1996-03-12 |
| 5402526 | Interruptibility/priority control scheme for artificial intelligence software shell | Douglas A. Bauman, Simon Lowenfeld, Brian Schultz, Robert W. Thompson | 1995-03-28 |
| 5034901 | Interactive graphic recognition and data processing system | Takahira Kuwata, Takashi Ishizaki, Satoshi Horiike, Koji Yonemoto, Nobuhiro Nakabayashi | 1991-07-23 |