Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346946 | Ocular lens material | Yasuhiro Yokoyama, Noriko Iwata, Eri Ito, Ichiro Ando, Shoji Ichinohe | 1994-09-13 |
| 5342983 | Organic silicon compounds | Hideki Sugahara, Shoji Ichinohe, Toshinobu Ishihara, Tohru Kubota | 1994-08-30 |