KH

Koumei Hanaoka

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HG HGST: 1 patents #1,032 of 1,677Top 65%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
Overall (All Time): #1,131,767 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11735223 Head suspension system for a tape drive Masahito Kobayashi 2023-08-22
7561369 Drive unit Kazuaki Usui, Masashi Kisaka, Hidefumi Tominaga, Masaki Nagashima 2009-07-14
6144046 Power inverter having series connection of semiconductor devices each having an inverse parallel connection of an insulated gate bipolar transistor and a diode Naoki Sakurai, Mutsuhiro Mori 2000-11-07
5701018 Semiconductor device having parallel connection of an insulated gate bipolar transistor and a diode Naoki Sakurai, Mutsuhiro Mori 1997-12-23