HS

Hirokazu Shirai

Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
NI Nidec: 3 patents #315 of 976Top 35%
YC Yutaka Giken Co.: 2 patents #20 of 161Top 15%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
MS Mitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #459,459 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10072528 Axial-flow exhaust turbine Hideto Nagao, Taichi Ozaki, Yasuyuki Tatsumi 2018-09-11
8911152 Bearing Yuichiro Waki, Yasuyuki Tatsumi, Hideaki Sato 2014-12-16
8508884 Spindle motor including magnetic member and disk drive apparatus including same Yoichi Sekii, Junya Mizukami, Kazuyoshi Saito, Hideki Nishimura, Atsushi Yawata 2013-08-13
8358483 Spindle motor including annular magnetic member and disk drive apparatus including such a spindle motor Yoichi Sekii, Junya Mizukami, Kazuyoshi Saito, Hideki Nishimura, Atsushi Yawata 2013-01-22
8148862 Bearing device, spindle motor and disk drive apparatus Kazuyoshi Saito, Shigeki Nakatani 2012-04-03
8025296 Shaft sealing mechanism Hidekazu Uehara, Tanehiro Shinohara, Takashi Nakano, Shin Nishimoto, Toshio Asada 2011-09-27
7364165 Shaft seal mechanism Takashi Nakano, Toshio Asada, Shin Nishimoto, Tanehiro Shinohara, Hidekazu Uehara 2008-04-29
7226053 Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine Takashi Nakano, Toshio Asada, Shin Nishimoto, Tanehiro Shinohara, Hidekazu Uehara 2007-06-05
6575198 Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction Nobuyuki Yoshitoshi, Hiroto Yanagibayashi, Akihiro Suzuki, Noriyuki Sato, Takeshi Sasagase +5 more 2003-06-10
5867985 Exhaust manifold for engine Kazuhiro Furuhashi, Hirokazu Mori, Shuichi Nishizaki, Koichi Tanino, Masafumi Imasaka +1 more 1999-02-09
5334961 Strip-line type bandpass filter Morikazu Sagawa, Mitsuo Makimoto 1994-08-02