Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8304558 | Method for producing thiazole compound | Naoyuki Takano, Morio Yamamoto | 2012-11-06 |
| 8269044 | Method for selectively producing primary amine compound | Naoyuki Takano, Kazuyuki Tanaka | 2012-09-18 |
| 7977490 | Process for producing thiazole compound | Kazuyuki Tanaka, Naoyuki Takano | 2011-07-12 |
| 7745669 | Process for production of alcohol compound | Toru Sakamoto | 2010-06-29 |
| 7652177 | Process for production of alcohol compound | Toru Sakamoto | 2010-01-26 |
| 7652170 | Method for producing primary amine compound | Hiroshi Souda, Naoyuki Takano | 2010-01-26 |
| 7439357 | Process for preparing thiazole by aminomethylation | Naoyuki Takano, Kazuyuki Tanaka | 2008-10-21 |
| 6806387 | Process for preparation of allyl sulfone derivatives and intermediates for the preparation | Toshiya Takahashi, Hirotada Kakiya | 2004-10-19 |
| 6784321 | Process for producing retinol and intermediate compounds for producing the same | Toshiya Takahashi, Kazutaka Kimura, Noriyuki Doi, Naoto Konya | 2004-08-31 |
| 6660888 | Process for producing retinol and intermediate compounds for producing the same | Toshiya Takahashi, Kazutaka Kimura, Noriyuki Doi, Naoto Konya | 2003-12-09 |
| 6552219 | Process for the preparation of vitamin a, intermediates, and process for the preparation of the intermediates | Toshiya Takahashi, Atsushi Furutani | 2003-04-22 |
| 6444857 | Process for producing vitamin A aldehyde and intermediate for producing the same | Naoto Konya, Toshiya Takahashi | 2002-09-03 |
| 6388124 | Dihalo-compound and process for producing vitamin A derivative | Toshiya Takahashi | 2002-05-14 |
| 6355841 | Process for producing &bgr;-carotene | Naoto Konya | 2002-03-12 |
| 6348622 | Vitamin a related compounds and process for producing the same | Toshiya Takahashi, Takashi Miki | 2002-02-19 |
| 6331652 | Process for producing lycopene and intermediate thereof | Naoto Konya | 2001-12-18 |
| 6297402 | Ketosulfone derivatives and process for producing the same | Toshiya Takahashi | 2001-10-02 |
| 6288283 | Process for producing retinal and intermediates for producing the same | Naoto Konya, Toshiya Takahashi | 2001-09-11 |
| 6211411 | Process for producing retinal and intermediate for producing the same | Toshiya Takahashi, Naoto Konya | 2001-04-03 |
| 6172265 | Ketosufone derivatives and process for producing the same | Toshiya Takahashi | 2001-01-09 |
| 6160181 | Tetraene derivative and process for producing the same | Naoto Konya, Toshiya Takahashi, Atsushi Furutani | 2000-12-12 |
| 6114543 | Process for producing optically active azetidine-2-carboxylic acid | Hideki Ushio, Naoyuki Takano, Yukihiro Honda, Motoo Hazama | 2000-09-05 |
| 6037509 | Process for producing 1-bromo-4-phenylbutane | Atsushi Furutani | 2000-03-14 |
| 5969149 | Process for producing hexahydrothieno[3,4-D]imidazole-2,4-diones | Nobuhiro Tani | 1999-10-19 |
| 5902905 | Method for producing arylvinylsulfone | Akio Kurihara, Isao Kurimoto | 1999-05-11 |