YO

Yasuyuki Oyamada

YC Yanmar Holdings Co.: 7 patents #51 of 636Top 9%
📍 Okayama, JP: #187 of 1,590 inventorsTop 15%
Overall (All Time): #744,177 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D688713 Upper rotating body for an excavator Hideki Seino, Masao Nagata, Mineaki Ogata, Takaaki Kuroda, Takuzo Kawamura 2013-08-27
D685394 Excavator Masao Nagata, Hideki Seino, Mineaki Ogata, Takaaki Kuroda, Takuzo Kawamura 2013-07-02
7958693 Boom for excavation machine Keiichi Nishihara, Takahiro Ikeda, Takafumi Nobayashi, Masao Nagata, Saizou Kondou +1 more 2011-06-14
7874392 Excavating machine Takafumi Nobayashi, Takahiro Ikeda, Keiichi Nishihara, Masao Nagata, Saizou Kondou +1 more 2011-01-25
7857083 Excavation machine Keiichi Nishihara, Takahiro Ikeda, Takafumi Nobayashi, Masao Nagata, Saizou Kondou +1 more 2010-12-28
D590847 Excavator Kiyoshi Yonekura, Hiroyuki Ootsuki, Masamitsu Uemura, Katashi Tanaka 2009-04-21
6729831 Extremely-small-swing working machine Takuzo Kawamura, Hiroyuki Ohtsuki, Kazuya Hokimoto, Mineaki Ogata, Hisaji Amanuma 2004-05-04