Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141741 | Anti-sunburn skin-care preparation | Keiichiro Ishida, Yoshimi Sato, Makoto EGAWA | 1992-08-25 |
| 5073545 | Agent containing an ellagic acid series compound for external application and use thereof | Masatoshi Arima, Hiroaki Nishizawa, Hiroshi Deura, Keiichiro Ishida | 1991-12-17 |
| 4797362 | Alkaline proteases and microorganisms producing same | Takashi Nishino, Motoyasu Odera, Hisao Shimogaki, Tahee Negi | 1989-01-10 |