Masazumi Watanabe

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hair revitalizing tonic composition containing a 2,2-dimethylpropan...
- Patent number 6,177,067
- Issue date Jan 23, 2001
- Shiseido Company, Ltd.
- Tsunao Magara
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair revitalization tonic composition containing a lipid derivative...
- Patent number 5,973,000
- Issue date Oct 26, 1999
- Shiseido Company, Ltd.
- Tsunao Magara
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Benzoquinone derivatives, their production and use
- Patent number 4,897,420
- Issue date Jan 30, 1990
- Takeda Chemical Industries, Ltd.
- Masazumi Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing quinone derivatives
- Patent number 4,831,265
- Issue date May 16, 1989
- Takeda Chemical Industries, Ltd.
- Masazumi Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spirobenzofuranones and their use in treating peptic ulcers
- Patent number 4,558,068
- Issue date Dec 10, 1985
- Takeda Chemical Industries, Ltd.
- Hirosada Sugihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aralkyl carboxylic acid compounds in compositions for potentiating...
- Patent number 4,525,361
- Issue date Jun 25, 1985
- Takeda Chemical Industries, Ltd.
- Hiroshi Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antifibrotic agent
- Patent number 4,514,420
- Issue date Apr 30, 1985
- Takeda Chemical Industries, Ltd.
- Isuke Imada
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Quinone carboxylic acids and ester derivatives
- Patent number 4,495,104
- Issue date Jan 22, 1985
- Takeda Chemical Industries, Ltd.
- Isuke Imada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aralkyl carboxylic acid compounds
- Patent number 4,407,757
- Issue date Oct 4, 1983
- Takeda Chemical Industries, Ltd.
- Hiroshi Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antiallergic agent
- Patent number 4,358,461
- Issue date Nov 9, 1982
- Takeda Chemical Industries, Ltd.
- Yoshitaka Maki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
7-Acetylspirobenzofuranone compound
- Patent number 4,342,779
- Issue date Aug 3, 1982
- Takeda Chemical Industries, Ltd.
- Hirosada Sugihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spirobenzofuranone compounds
- Patent number 4,330,554
- Issue date May 18, 1982
- Takeda Chemical Industries, Ltd.
- Hirosada Sugihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spirobenzofuranone compounds
- Patent number 4,284,644
- Issue date Aug 18, 1981
- Takeda Chemical Industries, Ltd.
- Hirosada Sugihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-Hydroxy-1,4-benzoquinone compounds
- Patent number 4,271,083
- Issue date Jun 2, 1981
- Takeda Chemical Industries, Ltd.
- Hiroshi Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous immunoregulatory agent
- Patent number 4,191,778
- Issue date Mar 4, 1980
- Takeda Chemical Industries, Ltd.
- Yuichi Yamamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Aralkyl carboxylic acid compounds
- Patent number 4,139,545
- Issue date Feb 13, 1979
- Takeda Chemical Industries, Ltd.
- Hiroshi Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5,6-Dihydroxy aminotetralol compounds
- Patent number 4,104,402
- Issue date Aug 1, 1978
- Takeda Chemical Industries, Ltd.
- Hirosada Sugihara

Masazumi Watanabe

Person

Patents Grantslast 30 patents

Hair revitalizing tonic composition containing a 2,2-dimethylpropan...

Hair revitalization tonic composition containing a lipid derivative...

Benzoquinone derivatives, their production and use

Method of producing quinone derivatives

Spirobenzofuranones and their use in treating peptic ulcers

Aralkyl carboxylic acid compounds in compositions for potentiating...

Antifibrotic agent

Quinone carboxylic acids and ester derivatives

Aralkyl carboxylic acid compounds

Antiallergic agent

7-Acetylspirobenzofuranone compound

Spirobenzofuranone compounds

Spirobenzofuranone compounds

6-Hydroxy-1,4-benzoquinone compounds

Aqueous immunoregulatory agent

Aralkyl carboxylic acid compounds

5,6-Dihydroxy aminotetralol compounds