Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175711 | Surface acoustic wave apparatus and method of productivity and adjustment of the same | Takashi Shiba, Yuji Fujita, Jun Yamada | 1992-12-29 |
| 4918349 | Surface acoustic wave device having apodized transducer provided with irregular pitch electrode group | Takashi Shiba, Yuji Fujita, Jun Yamada | 1990-04-17 |
| 4818961 | Surface acoustic wave filter with capacitive phase shifter | Takashi Shiba, Yuji Fujita, Jun Yamada | 1989-04-04 |
| 4775846 | Unidirectional surface acoustic wave device | Takashi Shiba, Yuji Fujita, Jun Yamada | 1988-10-04 |
| 4669291 | Spinning type multiple roller forming machine | Akira Asari, Takashige Yamamura, Shigeo Hattori, Tsuneya Ueno, Satoshi Matsumoto +3 more | 1987-06-02 |
| 4534634 | Erroneous release preventing device for camera | Yasushi Tabata, Kimiaki Ogawa | 1985-08-13 |