Hidekazu Ito

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Haga-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disposable diaper
- Patent number 7,938,814
- Issue date May 10, 2011
- Kao Corporation
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Disposable diaper with improved leak prevention properties
- Patent number 7,520,874
- Issue date Apr 21, 2009
- Kao Corporation
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Disposable diaper including lateral side cores
- Patent number 7,156,830
- Issue date Jan 2, 2007
- Kao Corporation
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Disposable diaper having leg flap absorbent articles
- Patent number 7,094,227
- Issue date Aug 22, 2006
- Kao Corporation
- Kenji Ishiguro
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Disposable diaper including lateral side cores
- Patent number 6,878,139
- Issue date Apr 12, 2005
- Kao Corporation
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Absorbent article
- Patent number 6,706,030
- Issue date Mar 16, 2004
- Kao Corporation
- Yasuyuki Okuda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
DISPOSABLE DIAPER
- Publication number 20080312626
- Publication date Dec 18, 2008
- Takao KOYAMA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DISPOSABLE DIAPER
- Publication number 20070093772
- Publication date Apr 26, 2007
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Disposable diaper
- Publication number 20050171500
- Publication date Aug 4, 2005
- Kao Corporation.
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Disposable diaper
- Publication number 20040133181
- Publication date Jul 8, 2004
- Kenji Ishiguro
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Disposable diaper
- Publication number 20040078017
- Publication date Apr 22, 2004
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Disposable diaper
- Publication number 20020123732
- Publication date Sep 5, 2002
- Takao Koyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE