HH

Hirokazu Hagiwara

MA Makita: 9 patents #137 of 770Top 20%
ME Mitsubishi Heavy Industries Aero Engines: 2 patents #16 of 56Top 30%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #409,849 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11339676 Aircraft gas turbine, and rotor blade of aircraft gas turbine Daigo Fujimura, Takaaki Hase 2022-05-24
9360216 Gas turbine Takaaki Hase, Yoshihiro Kuwamura, Osamu Morii, Tadayuki HANADA 2016-06-07
9114500 Sander having battery pack Fumihide Sugita, Masahiko Inai 2015-08-25
8251781 Sander 2012-08-28
8197310 Dust box and electric tool with the dust box Yukio Yamashiro, Yoshifumi Morita, Takashi Kumagai 2012-06-12
8128339 Bearing support structure and gas turbine Mitsuru Kondo, Hiroji Tada, Osamu Morii, Tadayuki HANADA, Kunihiro Shimizu +1 more 2012-03-06
8066554 Dust box and electric tool with the dust box Yukio Yamashiro, Yoshifumi Morita, Takashi Kumagai 2011-11-29
7819725 Sander Hiroshi Nojiri 2010-10-26
D609071 Portable electric sander Yuji Yamamoto 2010-02-02
D567047 Portable electric sander Shinsuke Okuda 2008-04-22
D527966 Portable electric grinder Naohiro Hayakawa 2006-09-12
D413779 Portable electric planer Naohiro Hayakawa 1999-09-14