Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6943202 | Radiation-curable polyurethane | Igor V. Khudyakov, Ronald O. Rosenberg | 2005-09-13 |
| 6777494 | Optical terpolymer of polyisocyanate, polythiol and polyene monomers | Zhou Yang, Yin-Nian Lin, Brian G. Risch | 2004-08-17 |
| 6347551 | Acoustic tree and wooden member imaging apparatus | Roger M. Turpening, Joseph Matarese, Carol E. Lewis | 2002-02-19 |
| 6309568 | Process method optical thermoplastic urethane resin lens and the lens | Zhou Yang, Yin-Nian Lin, Tadashi Kobayashi, Yuyoshi Saito | 2001-10-30 |
| 6008296 | Optical terpolymer of polyisocyanate, polythiol and polyene monomers | Zhou Yang, Yin-Nian Lin, Brian G. Risch | 1999-12-28 |
| 5679756 | Optical thermoplastic thiourethane-urethane copolymers | Brian G. Risch, Zhou Yang, Yin-Nian Lin | 1997-10-21 |