Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232215 | Sheet feed cassette for image forming apparatus | Yusaku Hashimoto, Hidekazu Amamoto, Naomasa Okimura | 1993-08-03 |
| 5210730 | Tracking error detecting apparatus for use in multibeam optical disk device | Akio Hayashi, Shozo Nakagawa | 1993-05-11 |