Yukio Sarusawa

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Zama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for making a container cover member having synthetic resin...
- Patent number 4,309,952
- Issue date Jan 12, 1982
- Tokan Kogyo Co., Ltd.
- Keiichi Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Container cover member having synthetic resin openable portion
- Patent number 4,244,491
- Issue date Jan 13, 1981
- Tokan Kogyo Co., Ltd.
- Keiichi Takahashi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Container cover member having synthetic resin openable portion and...
- Patent number 4,155,481
- Issue date May 22, 1979
- Tokan Kogyo Co., Ltd.
- Keiichi Takahashi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL