P

Inventor

IMAIZUMI HIROYUKI

JP28 patents
⚠️ This page may combine multiple inventors who share the name “IMAIZUMI HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYAMA CHEMICAL CO LTD

14 patents
US4489072ADec 18, 1984

Cephalosporins

TOYAMA CHEMICAL CO LTD18 citations81
US5144027ASep 1, 1992

Cephalosporins, process for producing the same, intermediates thereof and process for producing the intermediates

TOYAMA CHEMICAL CO LTD8 citations73
US4263292AApr 21, 1981

7α-methoxycephalosporins and pharmaceutical composition comprising the same

TOYAMA CHEMICAL CO LTD10 citations73
US5605921AFeb 25, 1997

Triazole derivatives and salts thereof, and antifungal agent containing the same

TOYAMA CHEMICAL CO LTD7 citations71
US5366989ANov 22, 1994

Triazole derivatives and salts thereof and antifungal agent containing the same

TOYAMA CHEMICAL CO LTD10 citations71
US4395412AJul 26, 1983

7α-Methoxycephalosporins

TOYAMA CHEMICAL CO LTD4 citations62
US4129730ADec 12, 1978

7α-Methoxy-cephalosporins

TOYAMA CHEMICAL CO LTD5 citations62
US4736026AApr 5, 1988

Novel process for producing a cephalosporin

TOYAMA CHEMICAL CO LTD4 citations61
US4717767AJan 5, 1988

7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins

TOYAMA CHEMICAL CO LTD2 citations61
US4563534AJan 7, 1986

Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates

TOYAMA CHEMICAL CO LTD2 citations61
US4200744AApr 29, 1980

Substituted 7α-methoxy-7β[(2,3-dioxo-1-piperazinyl)carbonylaminophenylacetamido]cephalosporins

TOYAMA CHEMICAL CO LTD4 citations60
US4667040AMay 19, 1987

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

TOYAMA CHEMICAL CO LTD1 citations51
US4618606AOct 21, 1986

Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl) cephalosporins

TOYAMA CHEMICAL CO LTD1 citations51
US4321265AMar 23, 1982

7α-Methoxycephalosporins

TOYAMA CHEMICAL CO LTD1 citations51

MITSUBISHI ENG PLASTICS CORP

5 patents

JST MFG CO LTD

2 patents

TOYODA AUTOMATIC LOOM WORKS

1 patent

TOYOMA CHEMICAL CO LTD

1 patent

TOHO ZINC CO LTD

1 patent

HANDI PAC INC

1 patent

JAPAN BROADCASTING CORP

1 patent

TOYOMA CHEMICAL COMPANY LTD

1 patent

IMAIZUMI HIROYUKI

1 patent