Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693728 | Process for producing cyclic olefin based polymers | Takuji Okamoto, Masami Watanabe, Hiroshi Maezawa | 1997-12-02 |
| 5648443 | Cyclic olefin copolymers, compositions and molded articles comprising the copolymers | Takuji Okamoto, Masami Watanabe, Hiroshi Maezawa | 1997-07-15 |
| 5629398 | Process for producing cyclic olefin based polymers, cyclic olefin copolymers, compositions and molded articles comprising the copolymers | Takuji Okamoto, Masami Watanabe, Hiroshi Maezawa | 1997-05-13 |
| 5608021 | Cationic polymer thickener and process for preparing the same | Yujiro Uchiyama, Yoshihiro Okuda | 1997-03-04 |
| 5603926 | Cosmetic composition comprising cationic polymer thickener | Yujiro Uchiyama, Tetsuya Kambe, Tomiyuki Nanba, Yoshihiro Okuda | 1997-02-18 |
| 5600392 | Position sensor | Tetsuo Sakamoto, Tomio Kurosu | 1997-02-04 |