Koichi Nakai

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dust collection unit for electric vacuum cleaner and upright electr...
- Patent number 7,655,060
- Issue date Feb 2, 2010
- Sanyo Electric Co., Ltd.
- Koichi Nakai
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Electric vacuum cleaner equipped with a dust collection unit
- Patent number 7,175,682
- Issue date Feb 13, 2007
- Sanyo Electric Co., LTD
- Koichi Nakai
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Electric vacuum cleaner equipped with a dust collection unit
- Patent number 7,014,675
- Issue date Mar 21, 2006
- Sanyo Electric Co., LTD
- Koichi Nakai
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Electric blower and electric cleaning device using the same
- Patent number 6,336,244
- Issue date Jan 8, 2002
- Sanyo Electric Co., Ltd.
- Takao Tarutani
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Dust collection unit for electric vacuum cleaner and upright electr...
- Publication number 20070084165
- Publication date Apr 19, 2007
- SANYO ELECTRIC CO., LTD.
- Koichi Nakai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Electric vacuum cleaner equipped with a dust collection unit
- Publication number 20050223518
- Publication date Oct 13, 2005
- SANYO ELECTRIC CO., LTD.
- Koichi Nakai
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Electric vacuum cleaner equipped with a dust collection unit
- Publication number 20030121121
- Publication date Jul 3, 2003
- SANYO ELECTRIC CO., LTD.
- Koichi Nakai
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...