Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961473 | Holder for a blood collection needle | Keizo Matsumura, Toshihiro Kikuchi | 1999-10-05 |
| 5810167 | Infectious waste container for blood collection needles | — | 1998-09-22 |
| 5797490 | Holder for a blood collection needle | Keizo Matsumura, Toshihiro Kikuchi | 1998-08-25 |
| 5145946 | Process for preparing polyarylene sulfide with alkali metal salt of phenolic aromatic carboxylic acid | Katsumasa Yamamoto, Junji Uda | 1992-09-08 |
| 4663431 | Process for preparing polyarylene sulfide with alkali metal salt of phenolic aromatic sulfonic acid | Katsumasa Yamamoto, Tetsuo Aratani, Yoshinori Uegaki | 1987-05-05 |