Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885322 | Novel ammonium salt useful as modifiers for rubber | Isao Kurimoto, Hiroki Yamamoto | 1989-12-05 |
| 4844147 | Dip forming apparatus for continuously forming cast rod | Haruo Tominaga, Teruyuki Takayama, Kenichi Miyauchi | 1989-07-04 |
| 4828997 | Apparatus and process for producing gel beads of microbial cells or enzymes | Setsuo Saitou, Toshimi Mukushi | 1989-05-09 |
| 4809978 | Golf club head | Koichiro Kurahashi | 1989-03-07 |