Masao Takahashi

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Shiunjimachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Amorphous silica filler
- Patent number 5,418,043
- Issue date May 23, 1995
- Mizusawa Industrial Chemicals, Ltd.
- Masahide Ogawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Amorphous silica filler
- Patent number 5,384,191
- Issue date Jan 24, 1995
- Mizusawa Industrial Chemicals, Ltd.
- Masahide Ogawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Amorphous silica-type filler
- Patent number 5,266,397
- Issue date Nov 30, 1993
- Mizusawa Industrial Chemicals, Ltd.
- Masahide Ogawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Ink jet recording paper with amorphous silica filler
- Patent number 5,013,603
- Issue date May 7, 1991
- Mizusawa Industrial Chemicals, Ltd.
- Masahide Ogawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Filler for ink jet recording paper
- Patent number 4,892,591
- Issue date Jan 9, 1990
- Mizusawa Industrial Chemicals Ltd.
- Masahide Ogawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Multilayer glass structure
- Patent number 4,476,169
- Issue date Oct 9, 1984
- Takeda Chemical Industries, Ltd.
- Hiroshi Nishino
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Abrasion-resistant granular zeolite and process for preparation the...
- Patent number 4,420,419
- Issue date Dec 13, 1983
- Mizusawa Kagaku Kogyo Kabushiki Kaisha
- Masahide Ogawa
- C01 - INORGANIC CHEMISTRY