Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851547 | Controlled release drug formulation of open end cylindrical rod form | Keiji Fujioka, Takeshi Hirasawa, Masako Kajihara, Akihiko Sano, Shuichi Sugawara | 1998-12-22 |
| 5413792 | Mucoadhesive polysiloxane paste-like base and preparation | Hiroshi Ninomiya | 1995-05-09 |
| 4882162 | Artificial skin | Yoshito Ikada, Shokyu Gen, Shigeo Ohi, Hiroyuki Kawashima | 1989-11-21 |