Eiji Sakuma

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Blind, blind slat, manufacturing method of the same, and forming ma...
- Patent number 7,461,440
- Issue date Dec 9, 2008
- Nichibei Co., Ltd.
- Sumitaka Sasaki
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Blind, slat for blinds, and method of producing the same and formin...
- Patent number 7,069,973
- Issue date Jul 4, 2006
- Nichibei Co., Ltd.
- Sumitaka Sasaki
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Blind, blind slat, manufacturing method of the same, and forming ma...
- Publication number 20050269042
- Publication date Dec 8, 2005
- NICHIBEI CO., LTD.
- Sumitaka Sasaki
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Blind, slat for blinds, and method of producing the same and formin...
- Publication number 20040089427
- Publication date May 13, 2004
- Sumitaka Sasaki
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS