YK

Yasuo Kumamoto

TC Tsutsunaka Plastic Industry Co.: 1 patents #2 of 19Top 15%
Overall (All Time): #3,534,131 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6338232 Waterproof sheet fixing member and method of fixing the same Takashi Yamanaka, Masaya Sera, Takatoshi Imafuku 2002-01-15