Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876476 | Chip type piezoelectric device | Toshihiko Kittaka, Yukio Sakabe | 1989-10-24 |
| 4805057 | Magnetic head driving apparatus | Toshio Ogawa | 1989-02-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876476 | Chip type piezoelectric device | Toshihiko Kittaka, Yukio Sakabe | 1989-10-24 |
| 4805057 | Magnetic head driving apparatus | Toshio Ogawa | 1989-02-14 |