Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623858 | Metal oxide doped cerium oxides, method for the preparation thereof, resin composition and cosmetic composition therewith | Sinryo Yabe, Kota Tofukuji, Shigeyoshi Momose, Sakae Yoshida, Kazuyuki Tahira | 2003-09-23 |
| 6589496 | Method for preparation of metal oxide doped cerium oxide | Sinryo Yabe, Kota Tofukuji, Shigeyoshi Momose, Sakae Yoshida, Kazuyuki Tahira | 2003-07-08 |
| 4772513 | Method for forming a hard carbon thin film on article and applications thereof | Masakatsu Sakamoto, Shuhei Ohta, Shiro Iwakura, Kaoru Yamazaki, Yoichi Yaguchi +1 more | 1988-09-20 |
| 4725345 | Method for forming a hard carbon thin film on article and applications thereof | Masakatsu Sakamoto, Shuhei Ohta, Shiro Iwakura, Kaoru Yamazaki, Yoichi Yaguchi +1 more | 1988-02-16 |