HY

Hiroki Yamada

SS Sumitomo Wiring Systems: 11 patents #341 of 2,615Top 15%
NI Nidec: 6 patents #165 of 976Top 20%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
ST Seagate Technology: 2 patents #1,946 of 4,626Top 45%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HZ Hitachi Zosen: 1 patents #216 of 531Top 45%
KC Kyowa Kirin Co.: 1 patents #70 of 125Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Nsk: 1 patents #937 of 1,559Top 65%
PS Prime Planet Energy & Solutions: 1 patents #94 of 228Top 45%
PC Primearth Ev Energy Co.: 1 patents #21 of 107Top 20%
RE Resonac: 1 patents #191 of 474Top 45%
SK Solar Frontier K.K.: 1 patents #20 of 47Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AC Asahi Organic Chemicals Industry Co.: 1 patents #21 of 67Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
DC Dena Co.: 1 patents #81 of 210Top 40%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Shimabara, JP: #44 of 395 inventorsTop 15%
Overall (All Time): #115,766 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
8922943 Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatus Junya Mizukami, Tsuyoshi Morita, Tetsuya Maruyama, Takuro Iguchi 2014-12-30
8790172 Game providing apparatus and recording medium Kazuhiro Kondo, Nobutaka Takushima, Hiroki Matsushima 2014-07-29
8743505 Fluid dynamic bearing apparatus with specific minute gap structure with spindle motor and disk drive apparatus including same Junya Mizukami, Tsuyoshi Morita, Tetsuya Maruyama, Takuro Iguchi, Troy M. Herndon +1 more 2014-06-03
8472132 Fluid dynamic bearing apparatus arranged to discharge air bubbles generated therein and a spindle motor and a disk drive apparatus including the same Junya Mizukami, Tsuyoshi Morita, Tetsuya Maruyama, Takuro Iguchi, Troy M. Herndon +2 more 2013-06-25
8366073 Resin member for valve Yusuke Koizumi 2013-02-05
5274681 Clock recovery circuit with memory storage level comparison with high, medium and low thresholds Toru Shibuya 1993-12-28