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Inventor

Eijiro Umemura

Inventor
Kanagawa, JP

Overview

5→
Patents
1996–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 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 preparations27%
C07DHeterocyclic compounds18%
C07HSugars18%
Y02PClimate change mitigation technologies in the production or processing of goods18%
A61KPreparations for medical, dental or toiletry purposes9%
Y02ATechnologies for adaptation to climate change9%
PatentTitleYear
10,617,704Effective aminoglycoside antibiotic for multidrug-resistant bacteria202010,576,094Effective aminoglycoside antibiotic for multidrug-resistant bacteria20205,883,089'Cephem derivatives'19995,663,162'Cephem derivatives'19975,527,781'4-O-(aminoglycosyl)- or 4,6-di-O-(aminoglycosyl)-2,5-dideoxy-5,5-difluorostreptamine derivatives'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to ZAIDAN HOJIN BISEIBUTSU (1)· patent assignee history
1996Based in Chigasaki, JP· patent location history
1997–1999Patents assigned to MEIJI SEIKA CO (2)· patent assignee history
1997–2020Based in Kanagawa, JP· patent location history
1999Based in Yokohama, JP· patent location history
2020Patents assigned to MEIJI SEIKA PHARMA CO LTD (1)· patent assignee history
2020Patents assigned to MICROBIAL CHEM RES FOUND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MEIJI SEIKA CO21997–1999
MEIJI SEIKA PHARMA CO LTD12020
MICROBIAL CHEM RES FOUND12020
ZAIDAN HOJIN BISEIBUTSU11996
Locations
LocationPatentsSpan
Kanagawa, JP31997–2020
Yokohama, JP11999
Chigasaki, JP11996