Sumio Izumi

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Sayama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for separating large-sized film-like plastics
- Patent number 4,046,677
- Issue date Sep 6, 1977
- Mitsui Mining & Smelting Co., Ltd.
- Kozo Saitoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for separation of mixture of polyester and cellulose derivative
- Patent number 4,040,949
- Issue date Aug 9, 1977
- Mitsui Mining & Smelting Co., Ltd.
- Kozo Saitoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for separating plastics-containing mixture
- Patent number 3,985,650
- Issue date Oct 12, 1976
- Mitsui Mining & Smelting Co., Ltd.
- Kozo Saitoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for separation of mixture of polyester and cellulose derivative
- Patent number 3,941,688
- Issue date Mar 2, 1976
- Mitsui Mining & Smelting Co., Ltd.
- Kozo Saitoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for separating vinyl chloride
- Patent number 3,933,633
- Issue date Jan 20, 1976
- Mitsui Mining & Smelting Co., Ltd.
- Kozo Saitoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL