Yoshikazu Sakamaki

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Foot warming heating element and method of manufacturing foot warmi...
- Patent number 7,611,767
- Issue date Nov 3, 2009
- Mycoal Co., Ltd.
- Kaoru Usui
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Heating external application material
- Patent number D596305
- Issue date Jul 14, 2009
- Mycoal Co., Ltd.
- Kaoru Usui
- D24 - Medical and laboratory equipment
Information Patent Grant
Heating external application material
- Patent number D583958
- Issue date Dec 30, 2008
- Mycoal Co., Ltd.
- Kaoru Usui
- D24 - Medical and laboratory equipment

Patents Applicationslast 30 patents

Information Patent Application
Process for Producing Adhesive Type Heater
- Publication number 20080257479
- Publication date Oct 23, 2008
- Kaoru Usui
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Foot warming heating element and method of manufacturing foot warmi...
- Publication number 20040149732
- Publication date Aug 5, 2004
- Kaoru Usui
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Exothermic composition and exothermic article using the composition...
- Publication number 20040042965
- Publication date Mar 4, 2004
- Kaoru Usui
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE