AS

Akihito Shirai

PA Panasonic: 4 patents #6,180 of 21,108Top 30%
PH Phc Holdings: 1 patents #122 of 211Top 60%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #774,196 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12222309 Electrode substrate, method for manufacturing same, and biosensor using electrode substrate Takeshi Hatakeyama, Kazuya Kakutani 2025-02-11
8094410 Spindle motor with flange land portion for ensuring flatness of recording disc Naoshi Kainoh 2012-01-10
8064166 Hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus Naoshi Kainoh, Yoichi Nishimoto, Junichi Nakamura 2011-11-22
7675210 Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same Kazunori Maekawa, Yosei Yoshikawa, Naoshi Kainoh, Junichi Nakamura 2010-03-09
7675214 Low profile motor 2010-03-09
7435001 Hydrodynamic bearing device, method for manufacturing the same, spindle motor and recording and reproduction apparatus Naoshi Kainoh, Shigeo Obata, Youichi Nishimoto, Junichi Nakamura, Tomohiro Haga 2008-10-14