LexDanaLexDanabeta
Inventor

Yasushi Matsumura

Inventor
Yokohama, JP

Overview

17→
Patents
1996–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

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

C07Dprimary
C07DHeterocyclic compounds27%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
C07CAcyclic or carbocyclic compounds18%
A61KPreparations for medical, dental or toiletry purposes11%
Y02PClimate change mitigation technologies in the production or processing of goods7%
C07BGeneral methods of organic chemistry5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
C06BExplosives or thermic compositions2%
C06CDetonating or priming devices2%
C06DMeans for generating smoke or mist2%
PatentTitleYear
10,494,338Prostaglandin derivative20199,643,958'Deprotection method for protected hydroxyl group'20179,034,906'EP4 agonist'20158,877,787'EP4 agonist'20148,691,857'EP4 agonist'20148,394,844'EP4 agonist'20137,414,136'Method for producing 3-substituted 2-chloro-5-fluoro-pyridine or its salt'20087,232,925'Process for producing (4E)-5-chloro-2-isopropyl-4-pentenoate and optically active form thereof'20076,590,102'Process for producing piperidinecarbinols'20036,562,087'Automatically ignitable enhancer agent composition'20036,476,228'Process for producing piperidinecarbinols'20026,433,179'Process for producing paroxetine'20026,197,960'Process for producing piperidinecarbinols'20015,985,920'Difluoroprostaglandin derivatives and their use'19995,886,035'Difluoroprostaglandin derivatives and their use'19995,616,732'Intermediates for difluoroprostacyclins and methods for their production'19975,538,995'Difluoroprostacyclins'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2017Patents assigned to ASAHI GLASS CO LTD (15)· patent assignee history
1996–2003Based in Yokohama, JP· patent location history
1999Patents assigned to SANTEN PHARMACEUTICAL CO LTD (2)· patent assignee history
2003Based in Himeji, JP· patent location history
2007–2008Based in Ichihara, JP· patent location history
2013–2015Patents assigned to KAKEN PHARMA CO LTD (4)· patent assignee history
2013Patents assigned to AMAKAWA MASAHIRO (1)· patent assignee history
2013–2015Based in Tokyo, JP· patent location history
2017–2019Based in Chiyoda-ku, JP· patent location history
2019Patents assigned to AGC INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI GLASS CO LTD151996–2017
KAKEN PHARMA CO LTD42013–2015
SANTEN PHARMACEUTICAL CO LTD21999
AGC INC12019
AMAKAWA MASAHIRO12013
Locations
LocationPatentsSpan
Yokohama, JP81996–2003
Tokyo, JP42013–2015
Chiyoda-ku, JP22017–2019
Ichihara, JP22007–2008
Himeji, JP12003