Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8227401 | Optically active muscone composition and fragrances or cosmetics containing the same | Kenichi Yamamoto, Hiroyuki Matsuda, Kenji Maruyama | 2012-07-24 |
| 8093203 | Method of enhancing fragrance by adding optically active muscone composition | Kenichi Yamamoto, Hiroyuki Matsuda, Kenji Maruyama | 2012-01-10 |
| 6759557 | Melanin production inhibitors and skincare products containing such inhibitors | Hiroyuki Matsuda, Hiroyasu Kumamoto, Eiko Tamai, Kenichi Yamamoto, Toshimitsu Hagiwara +1 more | 2004-07-06 |
| 6548711 | Process for producing 2-vinylcyclododecanone | Kenichi Yamamoto, Toshimitsu Hagiwara | 2003-04-15 |
| 6169211 | Process and apparatus for production of 5-cyclohexadecen-1-one | Keisuke Itakura, Kenichi Yamamoto, Akira Amano | 2001-01-02 |
| 6165615 | Gradual-releasing capsule and method for manufacturing the same | Keisuke Itakura | 2000-12-26 |
| 6093345 | Optically active compound, liquid crystal composition containing the same, and liquid crystal electro-optic element using the same | Shigeru Mitsuhashi, Yoshimasa Matsushima, Takashi Imai, Kiichi Mori, Mamoru Yamada +3 more | 2000-07-25 |
| 5827448 | Ferroelectric liquid crystal device | Toshimitsu Konuma, Akira Mase, Shunpei Yamazaki, Hitoshi Kondo, Mika Tadokoro +3 more | 1998-10-27 |
| 5454976 | Ferroelectric liquid crystal composition and liquid crystal display device using the same | Hitoshi Kondo, Mika Tadokoro, Hiroko Konuma, Hiroshi Sugiyama, Toshimitsu Hagiwara | 1995-10-03 |
| 4962242 | Process for producing optically active alcohols | Nobuo Yamada, Toshiyuki Takezawa, Noboru Sayo, Hidenori Kumobayashi, Susumu Akutagawa +3 more | 1990-10-09 |
| 4695631 | Process for the preparation of enamines or imines | Seinosuke Otsuka, Kazuhide Tani, Tsuneaki Yamagata, Susumu Akutagawa, Hidenori Kumobayashi | 1987-09-22 |
| 4564708 | Optical resolution of the racemic modification of 2,2'-bis(diphenylphosphino)-1,1'-binaphthyldioxide | Susumu Akutagawa | 1986-01-14 |