Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8873124 | Plastic optical element, optical scanner including the plastic optical element, and image forming apparatus including same | Go Takahashi, Eiichi Hayashi, Akio Hirano, Kan Aoki | 2014-10-28 |
| 4791019 | Polyurethane foam interior finishing material having facing and process for preparing the same | Takashi Izumi, Takeshi Yamazi, Shigeyoshi Fukushima | 1988-12-13 |