Inventor

Masahiro Tamura

Inventor
Higashimurayama, JP

Overview

25→
Patents
1998–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 25 as inventor

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

C07Dprimary
C07DHeterocyclic compounds40%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations28%
A61KPreparations for medical, dental or toiletry purposes22%
C07CAcyclic or carbocyclic compounds3%
C01GCompounds containing metals not covered by subclasses c01d or c01f2%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%
PatentTitleYear
11,043,695Lithium-containing composite oxide, cathode active material, positive electrode for lithium ion secondary battery, and lithium ion secondary battery20218,575,153'Pyridine-3-carboxyamide derivative'20137,314,877'Benzofuran derivative'20087,135,473'Cyclic diamine compound with condensed-ring groups'20066,867,221'Cyclic amine compounds and pharmaceutical composition containing the same'20056,632,810'Cyclic diamine compound with condensed-ring groups'20036,605,620'Cyclic amine compounds and pharmaceutical composition containing the same'20036,552,188'Unsymmetrical cyclic diamine compound'20036,509,329'Cyclic diamine compound with 6-membered ring groups'20036,498,169'Cyclic amine compounds and pharmaceutical composition containing the same'20026,472,386'Cyclic diamine compound with 5-membered ring groups'20026,432,957'Piperazine derivative'20026,395,753'Cyclic amine compounds and pharmaceutical composition containing the same'20026,337,334'Pyrimidine derivatives'20026,136,848'Flavone derivative and medicine comprising the same'20006,127,360'Diamine derivatives and pharmaceutical containing the same'20006,121,286'Tetrazole derivatives'20006,117,886'Tetrazole derivatives'20006,107,308'Piperidine derivatives'20006,046,212'Chalcone derivatives and drugs containing the same'20006,011,033'Phenylene derivatives'20006,008,224'Pyrimidine derivatives'19995,885,987'Phenylene derivatives'19995,883,092'Pyrimidine derivatives as endothelin antagonists'19995,756,518'Phenylene derivatives'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2013Patents assigned to KOWA CO (24)· patent assignee history
1998–2013Based in Higashimurayama, JP· patent location history
2003–2021Based in Tokyo, JP· patent location history
2008Based in Machida, JP· patent location history
2013Patents assigned to ASHIKAWA MASANORI (1)· patent assignee history
2013Patents assigned to DOI TAKESHI (1)· patent assignee history
2013Patents assigned to ISHIKAWA TETSUYA (1)· patent assignee history
2013Patents assigned to ISHIWATA HIROYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOWA CO241998–2013
ASHIKAWA MASANORI12013
DOI TAKESHI12013
ISHIKAWA TETSUYA12013
ISHIWATA HIROYUKI12013
Locations
LocationPatentsSpan
Higashimurayama, JP211998–2013
Tokyo, JP32003–2021
Machida, JP12008