Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227515 | Process for producing lower alkyl 2-keto-L-gulonate | Yoshihiro Yasumura, Kaoru Makino | 1993-07-13 |
| 4362626 | Ion exchanger of hydrated oxide of Ti, Zr, or Sn and cured polyester, and exchange method | Tatsuro Takeuchi, Ryuzo Kimoto | 1982-12-07 |