Yoichi Hirasawa

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Higashikurume, JP

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Patents Grantslast 30 patents

Information Patent Grant
Artificial soil structure and a method of preventing land desertifi...
- Patent number 5,580,192
- Issue date Dec 3, 1996
- Shin-Etsu Chemical Co., Ltd.
- Kinya Ogawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Artificial soil structure and a method of preventing land desertifi...
- Patent number 5,472,458
- Issue date Dec 5, 1995
- Shin-Etsu Chemical Co., Ltd.
- Kinya Ogawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Agent for prevention of salt damage of plants and a method of preve...
- Patent number 5,393,312
- Issue date Feb 28, 1995
- Shin-Etsu Chemical Co. Ltd.
- Kinya Ogawa
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Soil block for pot plant cultivation and a method of cultivating po...
- Patent number 5,383,943
- Issue date Jan 24, 1995
- Shin-Etsu Chemical Co. Ltd.
- Kinya Ogawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...