Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051183 | Microporous polyolefin membrane and method of producing same | Kotaro Takita, Koichi Kono, Tatsuya Takashima | 1991-09-24 |
| 4873034 | Process for producing microporous ultra-high-molecular-weight polyolefin membrane | Koichi Kono, Rumi Iwasaki, Shuichi Sawada | 1989-10-10 |