Inventor
KUMON NAOKI
JP3 patents
Patents
3 patentsUS5347665ASep 20, 1994
Carbonate spring bath system
MATSUSHITA ELECTRIC WORKS LTD36 citations88
US4907305AMar 13, 1990
Bubbling bathtub system
MATSUSHITA ELECTRIC WORKS LTD49 citations87
US6532713B2Mar 18, 2003
Joint structure for joining composite beam and column
MATSUSHITA ELECTRIC WORKS LTD24 citations84