LexDanaLexDanabeta
Inventor

Takahisa Maruyama

Inventor
Yokohama, JP

Overview

8→
Patents
2002–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations42%
C07DHeterocyclic compounds37%
A61KPreparations for medical, dental or toiletry purposes5%
C07BGeneral methods of organic chemistry5%
C07CAcyclic or carbocyclic compounds5%
C07HSugars5%
PatentTitleYear
10,301,343Method of producing epirubicin and novel production intermediate thereof20198,344,154'2-thioethenyl substituted carbapenem derivatives'20137,687,490'2-thioethenyl substituted carbapenem derivatives'20106,908,913'Carbapenem derivatives'20056,825,187'Carbapenem derivatives of quarternary salt type'20046,680,313'Carbapenum derivatives'20046,677,331'Carbapenem derivatives'20046,458,780'Carbapenem derivatives'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2013Patents assigned to MEIJI SEIKA KAISHA (7)· patent assignee history
2002–2013Based in Yokohama, JP· patent location history
2013Patents assigned to AIHARA KAZUHIRO (1)· patent assignee history
2013Patents assigned to ANDO TAKASHI (1)· patent assignee history
2013Patents assigned to FUJITA TOSHIKI (1)· patent assignee history
2013Patents assigned to KANO YUKO (1)· patent assignee history
2019Based in Iwate, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MEIJI SEIKA KAISHA72002–2013
AIHARA KAZUHIRO12013
ANDO TAKASHI12013
FUJITA TOSHIKI12013
KANO YUKO12013
Locations
LocationPatentsSpan
Yokohama, JP72002–2013
Iwate, JP12019