YF

Yasuo Fukushima

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
Bridgestone: 11 patents #187 of 2,860Top 7%
YC Yokowo Co.: 2 patents #59 of 176Top 35%
KS Kobe Steel: 1 patents #937 of 1,773Top 55%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
HT Hitachi Plant Technologies: 1 patents #116 of 279Top 45%
HC Hitachi Industries Co.: 1 patents #11 of 49Top 25%
AC Ajinomoto Co.: 1 patents #1,164 of 2,190Top 55%
📍 Tsuchiura, OH: #1 of 1 inventorsTop 100%
Overall (All Time): #138,109 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5408875 Balancing method for flexible rotor and a balancer applicable to the balancing method Osami Matsushita, Naohiko Takahashi, Mitsuho Yoneyama, Minoru Hiroshima, Naohumi Sakanashi +1 more 1995-04-25
5256952 Magnetic bearing control method and apparatus Mitsuho Yoneyama, Osami Matsushita, Naohiko Takahashi 1993-10-26
5062766 Turbo compressor Haruo Miura, Hideo Nishida, Hiromi Kobayashi, Takeo Takagi 1991-11-05