Inventor

Hiroshi Sadaki

Inventor

Toyama, JP

Overview

9→

Patents

1984–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C07Dprimary

C07DHeterocyclic compounds41%

Y02PClimate change mitigation technologies in the production or processing of goods23%

A61KPreparations for medical, dental or toiletry purposes18%

C07CAcyclic or carbocyclic compounds14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

PatentTitleYear

5,144,027'Cephalosporins, process for producing the same, intermediates thereof and process for producing the intermediates'1992 4,879,381'7-(substituted or unsubstituted amino) 3-substituted methyl-.sup.3 cephem-4-carboxylic acid'1989 4,717,767'7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins'1988 4,673,738'Novel intermediates of cephalosporins and process for producing 7-(substituted or unsubstituted amino)-3-substituted methyl-.DELTA..sup.3 -cephem-4-carboxylic acids'1987 4,667,040'Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates'1987 4,618,606'Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl) cephalosporins'1986 4,614,819'Novel process for producing cephalosporins'1986 4,563,534'Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates'1986 4,489,072'Cephalosporins'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1992Patents assigned to TOYAMA CHEMICAL CO LTD (8)· patent assignee history

1984–1992Based in Toyama, JP· patent location history

1986Based in Tokyo, JP· patent location history

1987Patents assigned to HANDI PAC INC (1)· patent assignee history

1989Patents assigned to TOYOMA CHEMICAL COMPANY LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYAMA CHEMICAL CO LTD	8	1984–1992
HANDI PAC INC	1	1987
TOYOMA CHEMICAL COMPANY LTD	1	1989

Locations

Location	Patents	Span
Toyama, JP	8	1984–1992
Tokyo, JP	1	1986