Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5124232 | Optical recording medium | Naoya Seo, Gentaro Ohbayashi, Osamu Watanabe | 1992-06-23 |
| 5063097 | Optical recording medium | Kusato Hirota, Gentaro Ohbayashi | 1991-11-05 |
| 4578442 | Piezoelectric polymeric material, a process for producing the same and an ultrasonic transducer utilizing the same | Hiroji Ohigashi, Keiko Koga | 1986-03-25 |
| 4577132 | Ultrasonic transducer employing piezoelectric polymeric material | Hiroji Ohigashi, Keiko Koga | 1986-03-18 |
| 4424465 | Piezoelectric vibration transducer | Hiroji Ohigashi, Miyo Suzuki | 1984-01-03 |
| 4395652 | Ultrasonic transducer element | Miyo Suzuki, Hiroji Ohigashi | 1983-07-26 |
| 4296349 | Ultrasonic transducer | Miyo Suzuki, Hiroji Ohigashi | 1981-10-20 |