Akio Usui

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Tochigi-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Fluid exothermic composition, exothermic device made thereof and ma...
- Publication number 20020161420
- Publication date Oct 31, 2002
- Akio Usui
- B32 - LAYERED PRODUCTS
Information Patent Application
Fluid exothermic composition, exothermic device made thereof and ma...
- Publication number 20020151947
- Publication date Oct 17, 2002
- Akio Usui
- B32 - LAYERED PRODUCTS
Information Patent Application
Flowing exothermic composition, heater element using the same and p...
- Publication number 20020121624
- Publication date Sep 5, 2002
- Akio Usui
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Method of manufacturing a foot warming exothermic device and the fo...
- Publication number 20010023366
- Publication date Sep 20, 2001
- Akio Usui
- A43 - FOOTWEAR