Inventor

Susumu Nakagawa

Inventor

Okazaki, JP

Overview

1976–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 46 as inventor

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

C07Dprimary

C07DHeterocyclic compounds54%

Y02PClimate change mitigation technologies in the production or processing of goods20%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%

C07CAcyclic or carbocyclic compounds6%

A61KPreparations for medical, dental or toiletry purposes4%

C07HSugars2%

PatentTitleYear

6,251,891'Carbapenem derivatives'2001 5,707,987'Carbapenem derivatives'1998 5,550,121'Aminoalkylpyrrolidinylthiocarbapenem derivatives'1996 5,449,672'Alkylaminoalkylpyrrolidinylthiocarbapenem derivatives'1995 5,440,049'Process for producing enyne derivatives'1995 5,438,054'2-(substituted pyrrolidinylthio) carbapenem derivatives'1995 5,436,354'Intermediates for producing enyne derivatives'1995 5,407,930'Cephalosporin derivatives'1995 5,403,835'Cephalosporin derivatives'1995 5,374,720'2-(substituted pyrrolidinylthio)carbapenem derivatives'1994 5,373,002'2-(substituted pyrrolidinylthio) carbapenem derivatives'1994 5,359,091'Intermediates for producing enyne derivatives'1994 5,296,612'Process for producing enyne derivatives'1994 5,258,509'Process for producing 2-carbon-substituted carbapenem derivatives'1993 5,231,183'Process for producing enyne derivatives'1993 5,225,406'1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivatives'1993 5,153,188'Piperidylthiocarbapenem derivatives'1992 5,112,818'2-(2-cyclopropylpyrrolidin-4-ylthio)carbapenhem derivatives'1992 5,100,888'Cyclic amidinylthiocarbapenem derivatives'1992 5,095,013'2-(2-vinylpyrrolidinylthio)carbapenem derivatives'1992 5,084,453'1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivatives'1992 5,068,322'Crystalline cephalosporin compounds'1991 5,061,794'Cephalosporin derivatives, and antibacterial agents'1991 5,049,665'Cephalosporin derivatives'1991 4,988,687'Cephalosporin derivatives, and antibacterial agents'1991 4,987,235'Isoindoline derivatives and processes for their preparation'1991 4,959,469'Crystalline cephalosporin compounds'1990 4,958,029'Process for the production of isoindoline derivatives, novel intermediates and process for their production'1990 4,958,024'Process for preparing 2-carbamoyloxyalkyl-1,4-dihydropyridine derivatives'1990 4,918,070'Cephalosporin derivatives and antibacterial agents'1990 4,914,227'Certain intermediate 3-carbamoyloxyalkyl propiolic acid derivatives'1990 4,883,868'7-amino-3-(substituted isoindolinium)methyl-3-cephem derivatives'1989 4,880,797'Cephalosporin derivatives and antibacterial agents'1989 4,814,328'Cephalosporin derivatives, and antibacterial agents'1989 4,782,155'Cephalosporin derivatives, processes for their preparation and antibacterial agents'1988 4,743,609'Indole derivatives having gastric and antisecretory and cytoprotective properties, and pharmaceutical preparations containing same'1988 4,742,053'3-Isoquinoliniomethyl cephalosporin derivatives'1988 4,677,100'Cephalosporin derivatives'1987 4,278,675'Bronchodilating process'1981 4,269,839'Alkylthio-adenines used as bronchodilators'1981 4,241,063'Purine derivatives and their use as bronchodilators'1980 4,232,155'Purine compounds'1980 4,201,860'Purine derivatives'1980 4,181,797'1-N-(.omega.-amino-.alpha.-hydroxyalkanoyl) derivatives of 4\'-deoxy-6\'-N-methylkanamycin A'1980 4,172,829'2,9-Disubstituted adenine derivatives and their use as non-adrenergic bronchodilators'1979 3,960,833'Butirosin A 3\",5\"-O-isopropylidene derivatives'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to BRISTOL MYERS CO (8)· patent assignee history

1976–1981Based in Tokyo, JP· patent location history

1987–2001Patents assigned to BANYU PHARMA CO LTD (35)· patent assignee history

1987–1995Based in Okazaki, JP· patent location history

1990–1991Patents assigned to BANYU PHARMACEUTICAL COMPANY L (3)· patent assignee history

1992Based in Aichi, JP· patent location history

1995–1998Based in Tsukuba, JP· patent location history

2001Based in Nukata-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BANYU PHARMA CO LTD	35	1987–2001
BRISTOL MYERS CO	8	1976–1981
BANYU PHARMACEUTICAL COMPANY L	3	1990–1991

Locations

Location	Patents	Span
Okazaki, JP	32	1987–1995
Tokyo, JP	8	1976–1981
Tsukuba, JP	3	1995–1998
Aichi, JP	2	1992
Nukata-gun, JP	1	2001