NH

Naohiro Hayakawa

MA Makita: 51 patents #7 of 770Top 1%
JI Japan Atomic Energy Research Institute: 3 patents #48 of 609Top 8%
MR Matsumura Oil Research: 3 patents #2 of 24Top 9%
Overall (All Time): #46,307 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
D660119 Portable electric grinder Tadashi Fukumoto, Hideharu Muto 2012-05-22
D649422 Portable electric jigsaw 2011-11-29
D647772 Portable electric grinder 2011-11-01
D647379 Portable electric jigsaw Syuuji Aoyama, Kenta NIWA, Fuzhi Zhang 2011-10-25
D643270 Portable electric drill Gang Ren 2011-08-16
D639130 Portable electric saw Tomohiro Ukai, Fuzhi Zhang 2011-06-07
D636243 Portable electric sander Hao Liu 2011-04-19
D634170 Portable electric grinder Hao Hu 2011-03-15
D634171 Portable electric jigsaw Qi Bin Zhao 2011-03-15
D631315 Portable electric drill Ben Xue, Xin Bing Li 2011-01-25
D601874 Portable electric planer Masahiko Inai, Masanori Hayashi, Yuki Wada 2009-10-13
D593388 Portable electric drill Akinori Ito 2009-06-02
D588891 Portable electric drill Tokuo HIRABAYASHI 2009-03-24
D587545 Portable electric drill Kazunori Tsuge 2009-03-03
D566504 Portable electric jig saw Goh Yamamura 2008-04-15
D559644 Portable electric circular saw Takao Kuroyanagi, Taiju Tsuboi 2008-01-15
D548034 Portable electric grinder Tadashi Fukumoto 2007-08-07
D546153 Portable electric bandsaw body Akinori Ito 2007-07-10
D531474 Portion of a portable electric hammer drill Yasutoshi Shinma, Junichi Iwakami 2006-11-07
D530580 Portable electric band saw Akinori Ito 2006-10-24
D527966 Portable electric grinder Hirokazu Hagiwara 2006-09-12
D527592 Power wrench Manabu Sugimoto, Yuji Sakakibara, Taiju Tsuboi 2006-09-05
D526179 Portable electric hammer drill Yasutoshi Shinma, Junichi Iwakami 2006-08-08
D525849 Portable electric hammer drill Yasutoshi Shinma, Junichi Iwakami 2006-08-01
D505055 Portable electric impact driver Hidenori Nagasaka 2005-05-17