Yokoyama Sankoh Co., Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Folded cushioning material for packaging
- Patent number 6,257,412
- Issue date Jul 10, 2001
- Hitachi Zosen Corporation
- Masahiro Yamamoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of imparting directional permanency of folding to sheet, and...
- Patent number 6,254,523
- Issue date Jul 3, 2001
- Hitachi Zosen Corporation
- Masahiro Yamamoto
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Cushioning material for packaging
- Patent number 6,199,700
- Issue date Mar 13, 2001
- Hitachi Zosen Corporation
- Masahiro Yamamoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Hollow connected body and packaging material
- Patent number 6,190,756
- Issue date Feb 20, 2001
- Hitachi Zosen Corporation
- Yoshimasa Yokoyama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Fold construction of corrugated fiberboard
- Patent number 6,132,349
- Issue date Oct 17, 2000
- Hitachi Zosen Corporation
- Yoshimasa Yokoyama
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Method of folding and shaping sheet, and apparatus for folding and...
- Patent number 6,129,655
- Issue date Oct 10, 2000
- Hitachi Zosen Corporation
- Masahiro Yamamoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Base board for layered corrugated fiberboard structure
- Patent number 5,750,235
- Issue date May 12, 1998
- Yokoyama Sankoh Co., Ltd.
- Yokoyama Yoshimasa
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

Yokoyama Sankoh Co., Ltd.

Organization

Patents Grantslast 30 patents

Folded cushioning material for packaging

Method of imparting directional permanency of folding to sheet, and...

Cushioning material for packaging

Hollow connected body and packaging material

Fold construction of corrugated fiberboard

Method of folding and shaping sheet, and apparatus for folding and...

Base board for layered corrugated fiberboard structure

Patents Applicationslast 30 patents

Trademarklast 30 trademarks