Fukusaburo Ishihara

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning agent and cleaning method
- Patent number 6,875,288
- Issue date Apr 5, 2005
- Tokyo Electron Limited
- Hideto Gotoh
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Tooth bleaching compositions and methods of bleaching discolored tooth
- Patent number 6,843,981
- Issue date Jan 18, 2005
- Mitsubishi Gas Chemical Company, Inc.
- Takuro Ishibashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cleaning method using an oxidizing agent, chelating agent and fluor...
- Patent number 6,514,352
- Issue date Feb 4, 2003
- Tokyo Electron Limited
- Hideto Gotoh
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning liquid for semiconductor devices
- Patent number 5,972,862
- Issue date Oct 26, 1999
- Mitsubishi Gas Chemical
- Yoshimi Torii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Cleaning method
- Publication number 20020066465
- Publication date Jun 6, 2002
- Hideto Gotoh
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Cleaning agent and cleaning method
- Publication number 20020064963
- Publication date May 30, 2002
- Hideto Gotoh
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...