Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10639249 | Reduction treatment agent, reduction cosmetic, reduction food and method for producing reduction treatment agent | Tatehiko Ogawa | 2020-05-05 |
| 5221342 | Coloring composition and production method and use thereof | Takashi Minami, Masayuki Naganuma, Yoshiaki Yagita, Takeshi Kawaura | 1993-06-22 |