Inventor

Yoshio Yamazaki

Inventor

Toyonaka, JP

Overview

12→

Patents

1976–1985

Patent span

Chemistry

Primary field (CPC C)

Patents· 12 as inventor

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

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%

A01NPreservation of bodies of humans or animals or plants or parts thereof15%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture15%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%

C08BPolysaccharides11%

C07DHeterocyclic compounds7%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%

C08JWorking-up7%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

4,493,894'Polysaccharide beads'1985 4,406,687'Use of isourea derivatives and triazine derivatives in combination with gibberellins as plant growth regulators'1983 4,303,440'Use of isourea derivatives and triazine derivatives in combination with gibberellins as plant growth regulators'1981 4,211,550'Use of isourea derivatives and triazine derivatives in combination with gibberellins as plant growth regulators'1980 4,143,201'Polysaccharide beads'1979 4,075,405'.beta.-1,3-Glucan derivatives'1978 4,060,402'Isoxazolone derivatives, their preparation and their use as plant growth regulators'1977 4,044,018'Isoxazolone derivatives, their preparation and their use as plant growth regulators'1977 4,028,185'Method for producing L(+)-tartaric acid'1977 4,013,509'Production of L(+)-tartaric acid'1977 4,011,135'Production of L(+)-tartaric acid'1977 3,945,888'Method for the production of cephalosporins'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (7)· patent assignee history

1976–1977Based in Osaka, JP· patent location history

1977–1983Patents assigned to SANKYO CO (5)· patent assignee history

1977–1985Based in Toyonaka, JP· patent location history

1977Based in Nozu, JA· patent location history

1980–1983Based in Yasumachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAKEDA CHEMICAL INDUSTRIES LTD	7	1976–1985
SANKYO CO	5	1977–1983

Locations

Location	Patents	Span
Toyonaka, JP	5	1977–1985
Yasumachi, JP	3	1980–1983
Nozu, JA	2	1977
Osaka, JP	2	1976–1977