Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540773 | Method of producing an improved polyacetal polymer | Hiroshi Hotta, Hiroshi Nakatsuji, Kiyoshi Yoko, Seiichi Higashiyama, Tuneyasu Nakashima +1 more | 1985-09-10 |
| 4390684 | Continuous polymerization method | Tadashi Mori, Yukio Ikenaga, Hiroshi Hotta, Tuneyasu Nakashima | 1983-06-28 |