Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328746 | Thermal transfer recording medium | Tetsuo Okuyama, Satoshi Takayama, Noriaki Sato, Tadayuki Nakamura | 1994-07-12 |
| 4961833 | Field-effect transistor-type semiconductor sensor | Tadashi Sakai, Shigeki Uno, Masao Koyama | 1990-10-09 |
| 4725994 | Ultrasonic transducer with a multiple-folded piezoelectric polymer film | Nagao Kaneko | 1988-02-16 |
| 4651310 | Polymeric piezoelectric ultrasonic probe | Nagao Kaneko, Masao Koyama, Shiroh Saitoh, Hiroki Honda | 1987-03-17 |