Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784321 | Process for producing retinol and intermediate compounds for producing the same | Toshiya Takahashi, Shinzo Seko, Kazutaka Kimura, Noriyuki Doi | 2004-08-31 |
| 6660888 | Process for producing retinol and intermediate compounds for producing the same | Toshiya Takahashi, Shinzo Seko, Kazutaka Kimura, Noriyuki Doi | 2003-12-09 |
| 6444857 | Process for producing vitamin A aldehyde and intermediate for producing the same | Shinzo Seko, Toshiya Takahashi | 2002-09-03 |
| 6355841 | Process for producing &bgr;-carotene | Shinzo Seko | 2002-03-12 |
| 6331652 | Process for producing lycopene and intermediate thereof | Shinzo Seko | 2001-12-18 |
| 6288283 | Process for producing retinal and intermediates for producing the same | Shinzo Seko, Toshiya Takahashi | 2001-09-11 |
| 6211411 | Process for producing retinal and intermediate for producing the same | Toshiya Takahashi, Shinzo Seko | 2001-04-03 |
| 6160181 | Tetraene derivative and process for producing the same | Shinzo Seko, Toshiya Takahashi, Atsushi Furutani | 2000-12-12 |
| 6149837 | Phenylacetylene compound and liquid crystal composition comprising the same | Chizu Sekine, Koichi Fujisawa, Masayoshi Minai | 2000-11-21 |
| 6025531 | Processes for preparing optically active alcohols and optically active amines | Yukio Yoneyoshi, Gohfu Suzukamo | 2000-02-15 |
| 5801280 | Processes for preparing optically active alcohols and optically active amines | Yukio Yoneyoshi, Gohfu Suzukamo, Masashi Kamitamari, Takashi Miyawaki | 1998-09-01 |
| 5200561 | Process for producing optically active amines | Yukio Yoneyoshi, Yoji Sakito, Shinji Nishii, Gohfu Suzukamo, Hiroko Sakane | 1993-04-06 |
| 5144039 | Process for producing optically active alcohol | Yukio Yoneyoshi, Gohfu Suzukamo, Takaharu Ikeda | 1992-09-01 |