Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647896 | Color-developing agents and color-developing sheets | Takeshi Nishimura, Masaru Wada, Teruyuki Nagata, Yoshimitsu Tanabe, Kiyoharu Hasegawa +1 more | 1997-07-15 |
| 5374765 | Method for extracting an amino acid ester from a hydrous solution of a mineral acid salt thereof | Hiroyuki Yamashita, Teruyuki Nagata, Masanobu Ajioka | 1994-12-20 |