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Inventor

Toshiaki Mase

Inventor
Tokyo, JP

Overview

22→
Patents
1987–2010
Patent span
Chemistry
Primary field (CPC C)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds20%
A61KPreparations for medical, dental or toiletry purposes18%
C07CAcyclic or carbocyclic compounds16%
C07KPeptides12%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
C07HSugars2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
7,683,218'Method for producing thioether compound'20107,482,449'Process for making spirolactone compounds'20097,439,535'Process for exchanging functional groups by halogen-metal exchange reaction'20087,368,569'Process for making spirolactone compounds'20086,946,559'Method of converting functional group through halogen-metal exchange reaction'20056,790,836'Process for preparing indolopyrrolocarbazole derivatives, intermediates therefor, and preparation process of the intermediates'20046,479,672'Diastereoselective preparation of Michael adducts'20026,130,232'Substituted piperidine derivatives as muscarinic M.sub.3 receptor antagonists'20006,011,039'Aminopyridine derivatives'20005,714,479'Endothelin antagonistic heteroaromatic ring-fused cyclopentene derivatives'19985,691,315'Endothelin antagonistic peptide derivatives'19975,614,498'Endothelin antagonistic substance'19975,496,928'Endothelin antagonistic substance'19965,470,833'Endothelin antagonistic peptide derivatives'19955,444,152'Endothelin antagonistic peptide derivatives'19955,389,620'Endothelin antagonistic heteroaromatic ring-fused cyclopentene derivatives'19955,114,918'Endothelin antagonistic cyclic pentapeptides'19925,053,526'Pharmaceuticals containing prostaglandin I.sub.2'19914,777,271'Isocarbacyclin derivatives and process for production thereof'19884,762,936'Bicyclo(3.3.0)Octene derivatives'19884,699,921'Pharmaceuticals containing prostaglandin I.sub.2'19874,681,951'Bicyclo(3.3.0)octene derivatives'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to SAGAMI CHEM RES (5)· patent assignee history
1987–1997Based in Tokyo, JP· patent location history
1987–1991Based in Sagamihara, JP· patent location history
1991Patents assigned to MITSUBISHI CHEM IND (1)· patent assignee history
1992–2010Patents assigned to BANYU PHARMA CO LTD (16)· patent assignee history
1995–2000Based in Tsukuba, JP· patent location history
2000Patents assigned to BANYU PHARMACEUTICAL COALTD (1)· patent assignee history
2002–2009Patents assigned to MERCK & CO INC (3)· patent assignee history
2002–2009Based in Okazaki, JP· patent location history
2010Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BANYU PHARMA CO LTD161992–2010
SAGAMI CHEM RES51987–1991
MERCK & CO INC32002–2009
BANYU PHARMACEUTICAL COALTD12000
MITSUBISHI CHEM IND11991
Locations
LocationPatentsSpan
Tokyo, JP71987–1997
Okazaki, JP62002–2009
Tsukuba, JP51995–2000
Sagamihara, JP31987–1991
Ibaraki, JP12010