Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030610 | Acidic gas absorbent and process for production thereof | Yoshitsugu Sakata, Shinogu Fukahori, Hiroyuki Kodera | 1991-07-09 |
| 4714675 | Stabilized sensitivity test disk | Yoshinobu Miyashita, Tadashi Hamanaka | 1987-12-22 |
| 4665038 | Composition, method and test strip for examining urobilinogen | Yoshitsugu Sakata, Tadashi Hamanaka, Misato Nakaue | 1987-05-12 |