Inventor
Tsuneo Imamoto
Inventor
Chiba, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Fprimary
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium41%
C07BGeneral methods of organic chemistry26%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%
C07CAcyclic or carbocyclic compounds15%
C07DHeterocyclic compounds4%
PatentTitleYear
11,084,8352,3-bisphosphinopyrazine derivative, method for producing same, transition metal complex, asymmetric catalyst, and method for producing organic boron compound202111,053,265Optically active substituted 2,3-bisphosphinoquinoxalines and processes for producing the same202111,021,500Process for preparing optically active 2,3-bisphosphino-substituted quinoxalines20219,029,571'Device and method for evaluating organic material for organic solar cell'20158,957,233'Method for producing optically active 1,2-bis(dialkylphosphino)benzene derivative'20158,198,471'2, 2′-bis (dialkylphosphino) biphenyl compound, production method thereof, and metal complex comprising the compound as ligand'20128,076,480'Process of preparing optically active allyl compound'20117,723,548'Bis(phosphine) boronium salt, production method of bis(phosphine) boronium salt, and bis(phosphine) boronium salt produced by the production method'20107,649,117'Process of preparing optically active β-hydroxycarboxylic acid derivative'20107,608,709'2, 3-bis(dialkylphosphino)pyrazine derivative, process of producing the same, and metal complex having the same as ligand'20097,534,920'Optically-active bis(alkynylphosphino) ethane-borane derivative and process for producing the same'20097,411,096'Process for producing optically active phosphorus heterocyclic dimer'20086,194,593'1, 2-bis(dialkylphosphino) benzene derivates having optical activites, process for producing same, and rhodium metal complexes containing same as ligands'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2021Patents assigned to NIPPON CHEMICAL IND (12)· patent assignee history
2001–2015Based in Chiba, JP· patent location history
2009–2011Patents assigned to UNIV CHIBA NAT UNIV CORP (4)· patent assignee history
2011–2015Patents assigned to IMAMOTO TSUNEO (4)· patent assignee history
2012–2015Patents assigned to TAMURA KEN (3)· patent assignee history
2012–2015Patents assigned to SUGIYA MASASHI (2)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CHEMICAL IND | 12 | 2001–2021 |
| IMAMOTO TSUNEOself | 4 | 2011–2015 |
| UNIV CHIBA NAT UNIV CORP | 4 | 2009–2011 |
| TAMURA KEN | 3 | 2012–2015 |
| SUGIYA MASASHI | 2 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 9 | 2001–2015 |
| Tokyo, JP | 4 | 2015–2021 |