Issued Patents All Time
Showing 226–250 of 265 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4736631 | Ultrasonic probes | Chitose Nakaya, Kageyoshi Katakura | 1988-04-12 |
| 4692653 | Acoustic transducers utilizing ZnO thin film | Keiko Kushida, Kageyoshi Katakura | 1987-09-08 |
| 4692654 | Ultrasonic transducer of monolithic array type | Shinichiro Umemura, Kageyoshi Katakura | 1987-09-08 |
| 4684002 | Device for adjusting a clearance of a twin clutch | — | 1987-08-04 |
| 4683396 | Composite ultrasonic transducers and methods for making same | Chitose Nakaya, Kageyoshi Katakura | 1987-07-28 |
| 4680499 | Piezoelectric ultrasonic transducer with acoustic matching plate | Shin'ichiro Umemura, Kageyoshi Katakura, Chitose Nakaya | 1987-07-14 |
| 4677336 | Piezoelectric transducer and process for its production | Keiko Kushida | 1987-06-30 |
| 4657128 | Clutch cooling device | Nobutoshi Fujito | 1987-04-14 |
| 4658176 | Ultrasonic transducer using piezoelectric composite | Chitose Nakaya, Kageyoshi Katakura | 1987-04-14 |
| 4654533 | Method for reading out a radiographic image | Manami Teshima, Hisanori Tsuchino, Fumio Shimada | 1987-03-31 |
| 4646892 | Clutch cover assembly | Hidekazu Majima, Hirotaka Fukushima | 1987-03-03 |
| 4628223 | Composite ceramic/polymer piezoelectric material | Chitose Nakaya, Shinichiro Umemura, Kageyoshi Katakura | 1986-12-09 |
| 4616401 | Method of fabricating an insulated gate type field-effect transistor | — | 1986-10-14 |
| 4614261 | Damper disc assembly | — | 1986-09-30 |
| 4609088 | Dry clutch disc | — | 1986-09-02 |
| 4604543 | Multi-element ultrasonic transducer | Shinichiro Umemura, Kageyoshi Katakura, Ryuichi Shinomura | 1986-08-05 |
| 4601677 | Dual action torsion damping device | — | 1986-07-22 |
| 4593801 | Clutch | Hirotaka Fukushima, Hidekazu Majima | 1986-06-10 |
| 4591348 | Damper disc with self-aligning spring seats | Toru Hamada | 1986-05-27 |
| 4565642 | Piezoelectric substances | Shigeru Jyomura | 1986-01-21 |
| 4563165 | Clutch with damper disc assembly | — | 1986-01-07 |
| 4557702 | Damper disc assembly for clutch | — | 1985-12-10 |
| 4536842 | System for measuring interfloor traffic for group control of elevator cars | Kiyoshi Yoneda, Tetsuo Yamatani, Toyoto Hijiya, Hideo Takeda, Koji Shibuya +1 more | 1985-08-20 |
| 4512435 | Diaphragm for loudspeakers | Yoshiaki Maruno | 1985-04-23 |
| 4507379 | Method for converting radiographic images | Hisanori Tsuchino, Manami Teshima, Fumio Shimada | 1985-03-26 |