Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857482 | Method of forming bump electrode and electronic circuit device | Akira Niitsuma, Hirosi Ohdaira, Chiaki Tanuma, Miki Mori | 1989-08-15 |
| 4843367 | Car's back-up alarm fitted with speech function | — | 1989-06-27 |