Inventor

Yasuharu Sekizawa

Inventor

Tokyo, JP

Overview

9→

Patents

1976–1984

Patent span

Human necessities

Primary field (CPC A)

Patents· 9 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 preparations26%

C07DHeterocyclic compounds21%

A61KPreparations for medical, dental or toiletry purposes16%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

C07KPeptides11%

A01NPreservation of bodies of humans or animals or plants or parts thereof5%

A23KFodder5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

4,474,764'3-Amino-2-hydroxy-4-phenylbutanoic acid derivatives and pharmaceutical composition containing the same'1984 4,418,070'Cardiotonic agents'1983 4,395,402'Analgesic agent'1983 4,264,532'Process for preparing D,L-2-amino-4-methylphosphinobutyric acid'1981 4,229,448'5-Substituted picolinic acid derivatives and an anti-hypertensive composition containing the same'1980 4,216,226'Antiviral agent and treatment of viral infections'1980 4,198,416'5-Alkoxy-picolinic esters and anti-hypertensive composition containing 5-alkoxy-picolinic esters'1980 4,189,489'5-Alkoxy-picolinic acid calcium salts and anti-hypertensive composition containing 5-alkoxy-picolinic acid calcium salts and anti-hypertensive composition thereof'1980 3,932,668'Composition for treating swine scour'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to MEIJI SEIKA KAISHA (5)· patent assignee history

1976–1984Based in Tokyo, JP· patent location history

1981Patents assigned to INOUYE SHIGEHARU (1)· patent assignee history

1981Patents assigned to MIZUTANI KAZUKO (1)· patent assignee history

1981Based in Shibuya-ku, JP· patent location history

1983–1984Patents assigned to MICROBIAL CHEM RES FOUND (2)· patent assignee history

1983Patents assigned to MEIJI SEIKA CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MEIJI SEIKA KAISHA	5	1976–1980
MICROBIAL CHEM RES FOUND	2	1983–1984
INOUYE SHIGEHARU	1	1981
MEIJI SEIKA CO	1	1983
MIZUTANI KAZUKO	1	1981

Locations

Location	Patents	Span
Tokyo, JP	8	1976–1984
Shibuya-ku, JP	1	1981