Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873677 | Charging apparatus for an electronic device | Kenji Sakamoto, Motomu Hayakawa | 1989-10-10 |
| 4864442 | Magnetic read/write apparatus | Osamu Miyazawa, Mamoru Miyasaka, Kenichi Hirota | 1989-09-05 |