Jun Okumura

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-car...
- Patent number 4,874,856
- Issue date Oct 17, 1989
- Bristol-Myers Company
- Seiji Iimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 4,751,295
- Issue date Jun 14, 1988
- Bristol-Myers Company
- Masahisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and...
- Patent number 4,708,955
- Issue date Nov 24, 1987
- Bristol-Myers Company
- Seiji Iimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-amino-3-propenylcephalosporanic acid and esters thereof
- Patent number 4,699,979
- Issue date Oct 13, 1987
- Bristol-Meyers Company
- Hideaki Hoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted vinyl cephalosporins
- Patent number 4,661,590
- Issue date Apr 28, 1987
- Bristol-Myers Company
- Hideaki Hoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin intermediates
- Patent number 4,659,812
- Issue date Apr 21, 1987
- Bristol-Myers Company
- Shimpei Aburaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted vinyl cephalosporins
- Patent number 4,591,641
- Issue date May 27, 1986
- Bristol-Myers Company
- Hideaki Hoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporins
- Patent number 4,525,473
- Issue date Jun 25, 1985
- Bristol-Myers Company
- Shimpei Aburaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted vinyl cephalosporins
- Patent number 4,520,022
- Issue date May 28, 1985
- Bristol-Myers Company
- Hideaki Hoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical compounds
- Patent number 4,507,487
- Issue date Mar 26, 1985
- Bristol-Myers Company
- Hajime Kamachi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 4,500,526
- Issue date Feb 19, 1985
- Bristol-Myers Company
- Kiyoto Imae
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 4,486,586
- Issue date Dec 4, 1984
- Bristol-Myers Company
- Yukio Narita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for cephalosporin derivatives
- Patent number 4,474,954
- Issue date Oct 2, 1984
- Bristol-Myers Company
- Hajime Kamachi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Quaternary ammonium methyl)-substituted cephalosporin derivatives
- Patent number 4,457,929
- Issue date Jul 3, 1984
- Bristol-Myers Company
- Hajime Kamachi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporins
- Patent number 4,406,899
- Issue date Sep 27, 1983
- Bristol-Myers Company
- Shimpei Aburaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 4,394,503
- Issue date Jul 19, 1983
- Bristol-Myers Company
- Hajime Kamachi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dioxo piperazine compounds
- Patent number 4,316,024
- Issue date Feb 16, 1982
- Bristol-Myers Company
- Seiji Iimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-[D.alpha.-(4-Hydroxy-1,5-naphthyridine-3-carboxamido)-.alpha.-ary...
- Patent number 4,288,590
- Issue date Sep 8, 1981
- Bristol-Myers Company
- Masahisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibacterial agents
- Patent number 4,231,928
- Issue date Nov 4, 1980
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel penicillins
- Patent number 4,206,116
- Issue date Jun 3, 1980
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
[3-(Pyridinium)-7-(naphthyiridinyl carbonylamino)acetamido]cephalos...
- Patent number 4,198,504
- Issue date Apr 15, 1980
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Carboxyalkyl-2,3-dihydro-6-mercapto-s-triazolo[4,3-b]-pyridazin-3...
- Patent number 4,198,506
- Issue date Apr 15, 1980
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-Amino-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-...
- Patent number 4,151,352
- Issue date Apr 24, 1979
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-[D-.alpha.-(4-Hydroxy-1,5-naphthyridine-3-carboxamido)-.alpha.-ph...
- Patent number 4,138,554
- Issue date Feb 6, 1979
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-(D-.alpha.-Hydroxy-2-arylacetamido)-3-(2-carboxyalkyl-2,3-dihydro...
- Patent number 4,112,228
- Issue date Sep 5, 1978
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-(Syn-.alpha.-alkoxy-iminofuryl)acetamido-3-(2-methyl-2,3-dihydro-...
- Patent number 4,104,469
- Issue date Aug 1, 1978
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-(Syn-.alpha.-alkoxy-iminofurylacetamido-3-(2-carboxyalkyl-2,3-dih...
- Patent number 4,103,085
- Issue date Jul 25, 1978
- Bristol-Myers Company
- Takayuki Naito
- C07 - ORGANIC CHEMISTRY

Jun Okumura

Person

Patents Grantslast 30 patents

3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-car...

Cephalosporin derivatives

3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and...

7-amino-3-propenylcephalosporanic acid and esters thereof

Substituted vinyl cephalosporins

Cephalosporin intermediates

Substituted vinyl cephalosporins

Cephalosporins

Substituted vinyl cephalosporins

Chemical compounds

Cephalosporin derivatives

Cephalosporin derivatives

Intermediates for cephalosporin derivatives

3-Quaternary ammonium methyl)-substituted cephalosporin derivatives

Cephalosporins

Cephalosporin derivatives

Dioxo piperazine compounds

7-[D.alpha.-(4-Hydroxy-1,5-naphthyridine-3-carboxamido)-.alpha.-ary...

Antibacterial agents

Novel penicillins

[3-(Pyridinium)-7-(naphthyiridinyl carbonylamino)acetamido]cephalos...

2-Carboxyalkyl-2,3-dihydro-6-mercapto-s-triazolo[4,3-b]-pyridazin-3...

7-Amino-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-...

7-[D-.alpha.-(4-Hydroxy-1,5-naphthyridine-3-carboxamido)-.alpha.-ph...

7-(D-.alpha.-Hydroxy-2-arylacetamido)-3-(2-carboxyalkyl-2,3-dihydro...

7-(Syn-.alpha.-alkoxy-iminofuryl)acetamido-3-(2-methyl-2,3-dihydro-...

7-(Syn-.alpha.-alkoxy-iminofurylacetamido-3-(2-carboxyalkyl-2,3-dih...