Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746698 | Method of preventing corrosion of apparatus for melt-processing polyarylene thioethers | Takao Iwasaki, Takayuki Katto, Zenya Shiiki | 1988-05-24 |
| 4659789 | Phenylene sulfide resin compositions | Takayuki Katto, Masahito Tada, Yo Iizuka | 1987-04-21 |
| 4613654 | Polyarylenesulfide complexes, processes for production and uses thereof | Takayuki Katto, Takao Iwasaki, Zenya Shiiki | 1986-09-23 |