Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498935 | Optically active bisphosphinomethane, method for producing the same, and transition metal complex and asymmetric catalyst | Ken Tamura, Natsuhiro Sano | 2022-11-15 |
| 11180516 | Phosphine transition metal complex, method for producing same, and anticancer agent | Kazuhiro Nakatsui, Chiaki Ono, Nobuhiko Oohara, Hiroaki Konishi, Hikaru Abutani | 2021-11-23 |
| 11084835 | 2,3-bisphosphinopyrazine derivative, method for producing same, transition metal complex, asymmetric catalyst, and method for producing organic boron compound | Hajime Ito, Hiroaki Iwamoto, Ken Tamura, Natsuhiro Sano | 2021-08-10 |
| 11053265 | Optically active substituted 2,3-bisphosphinoquinoxalines and processes for producing the same | Hajime Ito, Hiroaki Iwamoto, Ken Tamura | 2021-07-06 |
| 11021500 | Process for preparing optically active 2,3-bisphosphino-substituted quinoxalines | — | 2021-06-01 |
| 9029571 | Device and method for evaluating organic material for organic solar cell | Zhenfeng Zhang, Ken Tamura | 2015-05-12 |
| 8957233 | Method for producing optically active 1,2-bis(dialkylphosphino)benzene derivative | Ken Tamura, Masashi Sugiya | 2015-02-17 |
| 8198471 | 2, 2′-bis (dialkylphosphino) biphenyl compound, production method thereof, and metal complex comprising the compound as ligand | Ken Tamura, Masashi Sugiya | 2012-06-12 |
| 8076480 | Process of preparing optically active allyl compound | Kazuhiro Yoshida, Miwako NISHIMURA, Aya Koide | 2011-12-13 |
| 7723548 | Bis(phosphine) boronium salt, production method of bis(phosphine) boronium salt, and bis(phosphine) boronium salt produced by the production method | Kentaro Yamaguchi, Hiroshi Danjo, Toru Koizumi | 2010-05-25 |
| 7649117 | Process of preparing optically active β-hydroxycarboxylic acid derivative | Kazuhiro Yoshida, Miwako NISHIMURA, Aya Koide | 2010-01-19 |
| 7608709 | 2, 3-bis(dialkylphosphino)pyrazine derivative, process of producing the same, and metal complex having the same as ligand | Kazuhiro Yoshida, Keitaro Sugita | 2009-10-27 |
| 7534920 | Optically-active bis(alkynylphosphino) ethane-borane derivative and process for producing the same | Kazuhiro Yoshida, Youichi Saitoh, Aya Koide | 2009-05-19 |
| 7411096 | Process for producing optically active phosphorus heterocyclic dimer | Nobuhiko Oohara | 2008-08-12 |
| 6194593 | 1, 2-bis(dialkylphosphino) benzene derivates having optical activites, process for producing same, and rhodium metal complexes containing same as ligands | Tomoya MIURA, Hironari Yamada | 2001-02-27 |