Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673635 | Triphenyl methane derivatives and method of quantitatively measuring an oxidative substance | Kazuhiko Yamanishi, Satoru Okajima, Toshiro Hanada | 1987-06-16 |
| 4634671 | Water-soluble cross-linked polymer of lysyl endopeptidase, process for preparing same and use of same | Yoshitsugu Sakata, Tetsuya Matsuo, Haruhiko Sugiyama, Nobuyuki Tokioka | 1987-01-06 |
| 4613465 | Triphenyl methane derivatives and method of quantitatively measuring an oxidative substance | Kazuhiko Yamanishi, Satoru Okajima, Toshiro Hanada | 1986-09-23 |