Masahisa Oka

Person

Noba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
BU-4641V, an antibacterial, antiviral and antitumor antibiotic
- Patent number 5,266,600
- Issue date Nov 30, 1993
- Bristol-Myers Squibb Company
- Osamu Tenmyo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antiviral antibiotic BU-4344V
- Patent number 5,256,548
- Issue date Oct 26, 1993
- Bristol-Myers Squibb Company
- Masahisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antiviral antibiotic BU-4344V
- Patent number 5,140,101
- Issue date Aug 18, 1992
- Bristol-Myers Squibb Company
- Masahisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glidobactin PF-1 peptide antibiotics
- Patent number 5,096,884
- Issue date Mar 17, 1992
- Bristol-Myers Squibb Company
- Keiichi Numata
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Peptide antibiotics
- Patent number 5,079,148
- Issue date Jan 7, 1992
- Bristol-Myers Squibb Company
- Masataka Konishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Peptide antibiotics
- Patent number 5,025,023
- Issue date Jun 18, 1991
- Bristol-Myers Company
- Masataka Konishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
BU-2867T peptide antibiotics
- Patent number 4,916,063
- Issue date Apr 10, 1990
- Bristol-Myers Company
- Masahisa Oka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Peptide antibiotics
- Patent number 4,898,940
- Issue date Feb 6, 1990
- Bristol-Myers Company
- Masataka Konishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Peptide antibiotics
- Patent number 4,833,076
- Issue date May 23, 1989
- Bristol-Myers Company
- Masataka Konishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Semi-synthetic peptide antibiotics
- Patent number 4,789,731
- Issue date Dec 6, 1988
- Bristol-Myers Company
- Masahisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
BU-2867T peptide antibiotics
- Patent number 4,777,160
- Issue date Oct 11, 1988
- Bristol-Myers
- Masahisa Oka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Semi-synthetic peptide antibiotics
- Patent number 4,742,047
- Issue date May 3, 1988
- Bristol-Myers Company
- Masahisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Peptide antibiotics
- Patent number 4,692,510
- Issue date Sep 8, 1987
- Bristol-Myers Company
- Masataka Konishi
- 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
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
Cephalosporin derivatives
- Patent number 4,394,503
- Issue date Jul 19, 1983
- Bristol-Myers Company
- Hajime Kamachi
- 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
[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

Masahisa Oka

Person

Patents Grantslast 30 patents

BU-4641V, an antibacterial, antiviral and antitumor antibiotic

Antiviral antibiotic BU-4344V

Antiviral antibiotic BU-4344V

Glidobactin PF-1 peptide antibiotics

Peptide antibiotics

Peptide antibiotics

BU-2867T peptide antibiotics

Peptide antibiotics

Peptide antibiotics

Semi-synthetic peptide antibiotics

BU-2867T peptide antibiotics

Cephalosporin derivatives

Semi-synthetic peptide antibiotics

Peptide antibiotics

Chemical compounds

Intermediates for cephalosporin derivatives

Cephalosporin derivatives

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

[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...