Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231116 | Hydrophilic urethane prepolymer composition | Takashi Sano | 1993-07-27 |
| 4582891 | Process for inhibiting corrosion of polyurethane coating | Hirohisa Maki, Takaya Kawamura | 1986-04-15 |