Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880260 | Method of joining pipes | Taiji Gotoh, Kiyoshi Yamada | 1989-11-14 |
| 4850096 | Method of joining pipes | Taiji Gotoh, Kiyoshi Yamada | 1989-07-25 |
| 4492787 | Process for continuously producing propylene-ethylene block copolymer | Ryokichi Takashima, Nobuaki Goko, Yumito Uehara, Yasuhiro Nishihara | 1985-01-08 |