Inventor

SAKAMAKI YOSHIKAZU

JP3 patents

Patents

3 patents

USD596305SJul 14, 2009

Heating external application material

MYCOAL CO LTD116 citations94

USD583958SDec 30, 2008

Heating external application material

MYCOAL CO LTD35 citations89

US7611767B2Nov 3, 2009

Foot warming heating element and method of manufacturing foot warming heating element

MYCOAL CO LTD18 citations82