Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833481 | Process for producing 2-alkyl-2cyclopentenones | Takeshi Yamamoto, Kenichiro Adachi, Shinya Watanabe, Hideo Ujihara | 2004-12-21 |
| 6822121 | Production process of cyclohexenyl ketones | Shinya Watanabe, Hideo Ujihara, Takeshi Yamamoto | 2004-11-23 |
| 6770618 | (1S,6R)-2,2,6-Trimethylcyclohexyl methyl ketone and/or (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone, process for producing the same, and perfume composition containing the same | Hideo Ujihara, Shinya Watanabe, Takeshi Yamamoto | 2004-08-03 |
| 6759557 | Melanin production inhibitors and skincare products containing such inhibitors | Hiroyuki Matsuda, Hiroyasu Kumamoto, Eiko Tamai, Misao Yagi, Kenichi Yamamoto +1 more | 2004-07-06 |