SI

Shigenobu Ishihara

Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
SK Showa Denko Kabushikikaisha: 1 patents #1 of 20Top 5%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #1,029,914 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7358714 Testing method and testing apparatus Takao Watanabe 2008-04-15
7256591 Probe card, having cantilever-type probe and method Tsutomu Tatematsu, Kenji Togashi, Tetsuhiro Nanbu, Morihiko Hamada, Yoshikazu Arisaka +2 more 2007-08-14
7180312 Probe card and method for manufacturing probe card Yoshikazu Arisaka, Kunihiro Itagaki, Tomohiro Giga, Naoyoshi Kikuchi 2007-02-20
4990386 Optical disk substrate Junichiro Washiyama, Motoyuki Hirata, Tetsuo Yasuda 1991-02-05
4380600 Aqueous dispersion of water-soluble polymer composition Yoshikazu Hosoda, Shoichi Kobayashi 1983-04-19