Riichiro Shibakawa

Person

Handa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Nocardia species capable of producing nargenicin C.sub.1
- Patent number 4,605,624
- Issue date Aug 12, 1986
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Erythromycin D and esters thereof by fermentation with Nocardia sp....
- Patent number 4,582,796
- Issue date Apr 15, 1986
- Pfizer, Inc.
- Walter D. Celmer
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Polycyclic ether antibiotic
- Patent number 4,533,553
- Issue date Aug 6, 1985
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Erythromycin D and esters thereof
- Patent number 4,496,546
- Issue date Jan 29, 1985
- Pfizer Inc.
- Walter D. Celmer
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Streptomyces albus subspecies indicus
- Patent number 4,450,237
- Issue date May 22, 1984
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nargenicin C.sub.1
- Patent number 4,436,747
- Issue date Mar 13, 1984
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycyclic ether antibiotic
- Patent number 4,431,801
- Issue date Feb 14, 1984
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tylosin macrolide antibiotics from streptomyces
- Patent number 4,411,892
- Issue date Oct 25, 1983
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycyclic ether antibiotic
- Patent number 4,361,649
- Issue date Nov 30, 1982
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibiotics produced by a new microbe, Catenuloplanes japonicus
- Patent number 4,287,182
- Issue date Sep 1, 1981
- Pfizer Inc.
- Walter D. Celmer
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Ansamycin antibiotic
- Patent number 4,247,462
- Issue date Jan 27, 1981
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing new ansamycin antibiotic
- Patent number 4,225,674
- Issue date Sep 30, 1980
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibiotics produced by species of Nocardia
- Patent number 4,224,314
- Issue date Sep 23, 1980
- Pfizer Inc.
- Walter D. Celmer
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing nocardicin A
- Patent number 4,212,944
- Issue date Jul 15, 1980
- Pfizer Inc.
- Walter D. Celmer
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
New polycyclic ether antibiotic
- Patent number 4,195,079
- Issue date Mar 25, 1980
- Pfizer Inc.
- Walter D. Celmer
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Antibiotics produced by species of actinoplanes
- Patent number 4,169,887
- Issue date Oct 2, 1979
- Pfizer Inc.
- Walter D. Celmer
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Polycyclic ether antibiotic produced by a strain of streptomyces hy...
- Patent number 4,150,152
- Issue date Apr 17, 1979
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixture of antibiotics produced by a species of actinoplanes
- Patent number 4,148,880
- Issue date Apr 10, 1979
- Pfizer Inc.
- Walter D. Celmer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Antibiotics produced by new species of nocardia
- Patent number 4,148,883
- Issue date Apr 10, 1979
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycyclic ether antibiotics produced by new species of actinomycete
- Patent number 4,148,882
- Issue date Apr 10, 1979
- Pfizer Inc.
- Walter D. Celmer
- C07 - ORGANIC CHEMISTRY

Riichiro Shibakawa

Person

Patents Grantslast 30 patents

Nocardia species capable of producing nargenicin C.sub.1

Erythromycin D and esters thereof by fermentation with Nocardia sp....

Polycyclic ether antibiotic

Erythromycin D and esters thereof

Streptomyces albus subspecies indicus

Nargenicin C.sub.1

Polycyclic ether antibiotic

Tylosin macrolide antibiotics from streptomyces

Polycyclic ether antibiotic

Antibiotics produced by a new microbe, Catenuloplanes japonicus

Ansamycin antibiotic

Process for producing new ansamycin antibiotic

Antibiotics produced by species of Nocardia

Process for producing nocardicin A

New polycyclic ether antibiotic

Antibiotics produced by species of actinoplanes

Polycyclic ether antibiotic produced by a strain of streptomyces hy...

Mixture of antibiotics produced by a species of actinoplanes

Antibiotics produced by new species of nocardia

Polycyclic ether antibiotics produced by new species of actinomycete