LexDanaLexDanabeta
Inventor

Masataka Fukumura

Inventor
Takarazuka, JP

Overview

5→
Patents
1976–1988
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

Y02Pprimary
Y02PClimate change mitigation technologies in the production or processing of goods33%
C07DHeterocyclic compounds22%
A61KPreparations for medical, dental or toiletry purposes11%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%
C07KPeptides11%
PatentTitleYear
4,761,409'Cephem derivatives'19884,705,784'Cephem compounds'19874,043,991'Preparation of peptides and cephalosporins'19773,998,817'Process for producing cephalosporanic acid derivatives'19763,978,053'Process for producing cephalosporins'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to SUMITOMO CHEMICAL CO (3)· patent assignee history
1976Based in Toyonaka, JP· patent location history
1977Based in Kobe, JP· patent location history
1987–1988Patents assigned to SUMITOMO PHARMA (2)· patent assignee history
1987–1988Based in Takarazuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO31976–1977
SUMITOMO PHARMA21987–1988
Locations
LocationPatentsSpan
Takarazuka, JP21987–1988
Toyonaka, JP21976
Kobe, JP11977