Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365295 | Fuel cell and separator comprising contact lugs with specific widths | Masanori Matsukawa, Masahiro Mizuno, Yasuyuki Asai, Yixin Zeng, Katsuhiro Kajio | 2002-04-02 |
| 5833723 | Hydrogen generating apparatus | Hiroshige Ota, Akira Matsuoka, Takumi Hayashi, Nobuhisa Watanabe | 1998-11-10 |
| 5317876 | Sound wave operated energy corverter for producing different forms of movement | Katsumi Nakagawa, Koji Nishida | 1994-06-07 |
| 5299422 | Energy converter | Katsumi Nakagawa, Koji Nishida | 1994-04-05 |
| 5141297 | Anti-lock brake circuit with a piezo hydraulic pump and changeover valve | Kazutaka Kuwana, Takashi Nagashima, Masahiro Inden, Jun Funakawa, Akemi Takada +1 more | 1992-08-25 |
| 5107163 | Ultrasonic motor | Chiaki Umemura, Akemi Okawa | 1992-04-21 |
| 5053669 | Ultrasonic motor | Takao Saeki, Shoji Okada, Mutsuro Aoyama | 1991-10-01 |
| 5049774 | Vibratory motor | Naofumi Fujie, Takao Saeki | 1991-09-17 |
| 5037189 | Cleaning apparatus for a mirror | Naofumi Fujie, Shoji Okada | 1991-08-06 |
| 5023526 | Vibratory motor | Naofumi Fujie, Takao Saeki | 1991-06-11 |
| 4980599 | Ultrasonic motor | Takao Saeki, Naofumi Fujie | 1990-12-25 |
| 4959579 | Ultrasonic motor | Naofumi Fujie, Takao Saeki | 1990-09-25 |
| 4937488 | Vibration wave motor | Naofumi Fujie | 1990-06-26 |
| 4352020 | Method and apparatus for examining a subject | Isao Horiba, Shigenobu Yanaka, Kouichi Koike | 1982-09-28 |
| 4257102 | Apparatus for axial transverse tomography | Isao Horiba, Hiroshi Takagi, Shigeru Satou | 1981-03-17 |