Minoru Iwata

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Matsudo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Barium sulfate cosmetic composition
- Patent number 5,340,582
- Issue date Aug 23, 1994
- Kao Corporation
- Hiroki Sugasawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparing barium sulfate
- Patent number 5,262,148
- Issue date Nov 16, 1993
- Kao Corporation
- Hiroki Sugasawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Barium sulfate and cosmetic compositions comprising same
- Patent number 5,171,572
- Issue date Dec 15, 1992
- Kao Corporation
- Hiroshi Suganuma
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparing cubic boron nitride
- Patent number 4,409,193
- Issue date Oct 11, 1983
- National Institute for Researches in Inorganic Materials
- Tadao Sato
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing cubic system boron nitride
- Patent number 4,287,164
- Issue date Sep 1, 1981
- National Institute for Researches in Inorganic Materials
- Tadashi Endo
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES