Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682584 | Developer mixing and transporting device | Yoshinobu Hada, Suguru Hamamichi, Shinichi Yoshimoto | 1997-10-28 |
| 5638441 | Portable telephone apparatus with rotatable cover allowing enhanced option key access | Naoki Ikeda, Yoshifumi Sagane, Satoshi Shinya | 1997-06-10 |