Yotaro Tsutsumi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Laminated film bag for packaging food
- Patent number 5,312,659
- Issue date May 17, 1994
- Toyo Seikan Kaisha Ltd.
- Yoshiaki Otsuka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method, a line and a pouch supporting base for automatically fillin...
- Patent number 4,473,989
- Issue date Oct 2, 1984
- Toyo Seikan Kaisha, Ltd.
- Yotaro Tsutsumi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Laminated packing bag with spout formed from handle portion
- Patent number 4,454,979
- Issue date Jun 19, 1984
- Toyo Seikan Kaisha Ltd.
- Masaomi Ikeda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Easily-openable heat seal lid
- Patent number 4,428,494
- Issue date Jan 31, 1984
- Toyo Seikan Kaisha, Ltd.
- Kazumi Hirota
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bag for holding liquid
- Patent number D272047
- Issue date Jan 3, 1984
- Toyo Seikan Kaisha, Ltd.
- Yotaro Tsutsumi
- D09 - Packages and containers for goods
Information Patent Grant
Easily-openable heat seal lid
- Patent number 4,403,710
- Issue date Sep 13, 1983
- Toyo Seikan Kaisha Ltd.
- Kazumi Hirota
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...