HM

Hirotake Matsuoka

IC Ibiden Co.: 1 patents #451 of 730Top 65%
Overall (All Time): #3,669,209 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5992560 Muffler for internal combustion engine Keiichi Sakashita, Keiji Yamada, Yoshio Nishikawa, Koji Fukushima 1999-11-30