Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690515 | Compact projection lens | Yasuo Nakajima, Yoshiharu Yamamoto, Yoshito Miyatake, Yoshitomi Nagaoka | 1987-09-01 |
| 4501987 | Surface acoustic wave transducer using a split-finger electrode on a multi-layered substrate | Tsuneo Mitsuyu, Ritsuo Inaba, Kiyotaka Wasa | 1985-02-26 |
| 4354130 | Surface acoustic wave device using a multi-layer substrate including .alpha..sub.2 O.sub.3, SiO and ZnO | Tsuneo Mitsuyu, Osamu Yamazaki, Kiyotaka Wasa | 1982-10-12 |
| 4236095 | Surface acoustic wave device comprising piezoelectric substrate having zinc oxide layer on .alpha.-alumina layer | Tsuneo Mitsuyu, Osamu Yamazaki, Kiyotaka Wasa | 1980-11-25 |
| 4223286 | Surface acoustic wave resonator | Kenzo Ohji, Osamu Yamazaki, Kiyotaka Wasa | 1980-09-16 |