TK

Tomoya Kumagai

TC Tokyo Ohka Kogyo Co.: 15 patents #82 of 684Top 15%
KO Komatsu: 10 patents #140 of 2,087Top 7%
Canon: 7 patents #7,830 of 19,416Top 45%
OM Omron: 1 patents #1,808 of 3,089Top 60%
SH Sk Hynix: 1 patents #3,115 of 4,849Top 65%
Overall (All Time): #105,733 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
D663751 Excavator Jin Yogita, Toshinori Kan 2012-07-17
D663324 Excavator Seiichi Fuchita, Yuuji Shiomoto, Junsei Tanaka 2012-07-10
D663327 Excavator cabin Akihide Namura 2012-07-10
D552629 Bulldozer Kazumasa Fukazawa, Makoto Yomogita, Masayuki Mukaino, David Andrews 2007-10-09
D551683 Bulldozer Yuuichi Matsuo, Makoto Yomogita, Mitsutaka Nakamura 2007-09-25
D543557 Bulldozer Yuuichi Matsuo, Makoto Yomogita, Mitsutaka Nakamura 2007-05-29
D538303 Bulldozer Kazumasa Fukazawa, Makoto Yomogita, Masayuki Mukaino, David Andrews 2007-03-13
D489040 Hand-operated switch Tatsushi Yonezawa, Tatsuya Iida 2004-04-27