Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986143 | Method of producing bis(4-alkylthiophenyl) disulfides | Hiromi Uchiro, Norio Kawabe, Kouichi Tsuruta | 1999-11-16 |
| 5393803 | Maleimide polymers and contact lenses from such polymers | Mitsuru Yokota | 1995-02-28 |