Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509671 | Driving method and driving circuit for piezoelectric transformer, cold cathode tube emission device, liquid crystal panel and liquid crystal panel built-in apparatus | Hiroshi Nakatsuka, Katsunori Moritoki, Takeshi Yamaguchi | 2003-01-21 |
| 6509700 | Apparatus and method for driving a cathode discharge tube | Hiroshi Nakatsuka, Takeshi Yamaguchi, Katsunori Moritoki, Kojiro Okuyama | 2003-01-21 |
| 6243933 | Piezoelectric resonator and method for fabricating the same | Masato Sugimoto, Yoshihiro Tomita, Osamu Kawasaki | 2001-06-12 |
| 6227051 | Acceleration sensor | Tetsuro Otsuchi, Katsunori Moritoki, Osamu Kawasaki, Junichi Kato, Kouji Kawakita +1 more | 2001-05-08 |
| 6111338 | Acceleration sensor and method for producing the same | Tetsuro Otsuchi, Osamu Kawasaki, Hidenobu Shintaku, Shigeo Suzuki, Takahiro Nishikura +3 more | 2000-08-29 |
| 6050144 | Acceleration sensor | Tetsuro Otsuchi, Katsunori Moritoki, Osamu Kawasaki, Junichi Kato, Kouji Kawakita +1 more | 2000-04-18 |
| 5929555 | Piezoelectric resonator and method for fabricating the same | Masato Sugimoto, Yoshihiro Tomita, Osamu Kawasaki | 1999-07-27 |
| 5644199 | Method for driving an ultrasonic motor | Takashi Nojima, Masanori Sumihara, Tetsuro Otsuchi, Takahiro Nishikura, Osamu Kawasaki +1 more | 1997-07-01 |
| 5457351 | Ultrasonic motor | Takahiro Nishikura, Masanori Sumihara, Osamu Kawasaki | 1995-10-10 |
| 5448129 | Ultrasonic motor with vibrating body and moving body driven thereby | Masanori Sumihara, Takahiro Nishikura, Osamu Kawasaki | 1995-09-05 |
| 5438229 | Ultrasonic motor and ultrasonic motor control method | Tetsuro Ohtsuchi, Masanori Sumihara, Osamu Kawasaki, Takahiro Nishikura, Takashi Nojima +1 more | 1995-08-01 |
| 5408376 | Piezoelectric head actuator | Takahiro Nishikura, Katsumi Imada, Takashi Nojima, Masanori Sumihara, Osamu Kawasaki | 1995-04-18 |
| 5408156 | Ultrasonic motor | Osamu Kawasaki, Takahiro Nishikura | 1995-04-18 |
| 5327040 | Ultrasonic motor with a vibrating body and a moving body driven thereby | Masanori Sumihara, Takahiro Nishikura, Osamu Kawasaki | 1994-07-05 |
| 5300851 | Linear-type actuator | Takahiro Nishikura, Masanori Sumihara, Osamu Kawasaki | 1994-04-05 |
| 5256928 | Ultrasonic motor with a vibrator having recesses | Takahiro Nishikura, Masanori Sumihara, Osamu Kawasaki | 1993-10-26 |
| 4853579 | Drive method for ultrasonic motor providing enhanced stability of rotation | Osamu Kawasaki, Ritsuo Inaba, Tetsuji Fukada | 1989-08-01 |
| 4829209 | Ultrasonic motor with stator projections and at least two concentric rings of electrodes | Osamu Kawasaki, Ritsuo Inaba, Akira Tokushima | 1989-05-09 |