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, Tetsuo Yamaguchi | 1989-12-05 |
| 4883544 | Process for preparation of austenitic stainless steel having excellent seawater resistance | Masanori Ueda, Masayuki Abe, Kensai Shitani, Tetsuo Yoshimoto, Fumio Kurosawa | 1989-11-28 |
| 4838969 | Method for applying an elastic band onto a moving web | Hironori Nomura, Shimakawa Taiji, Junji Shinohara, Shigetoyo Kobayashi | 1989-06-13 |
| 4812494 | Stabilized styrene polymer | Hideo Nagasaki, Shinichi Yachigo, Tamaki Ishii, Masakatsu Yoshimura, Yukoh Takahashi | 1989-03-14 |