Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586639 | Functional alcohol releasing substance | Shigeyoshi Tanaka, Atsushi Katayama, Ryoichi Hirayama, Takami Gema | 2003-07-01 |
| 6486333 | Functional alcohol releasing substance | Shigeyoshi Tanaka, Atsushi Katayama, Ryoichi Hirayama, Takami Gema | 2002-11-26 |
| 5863945 | Amide derivatives and external skin or hair care preparations | Masahide Hoshino, Hiroshi Kusuoku, Minoru Nagai, Kiyoko Sugino | 1999-01-26 |