TO

Toshiyuki Okayasu

AD Advantest: 118 patents #1 of 1,193Top 1%
NU National University Corporation Tohoku University: 3 patents #28 of 170Top 20%
FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
📍 Goka, JP: #1 of 8 inventorsTop 15%
Overall (All Time): #10,394 of 4,157,543Top 1%
118
Patents All Time

Issued Patents All Time

Showing 51–75 of 118 patents

Patent #TitleCo-InventorsDate
7699538 Hermetically sealing member having optical transmission means, optoelectronic apparatus, and optical transmission method Yusuke Hayase, Atsushi Ono 2010-04-20
7684944 Calibration apparatus, calibration method, and testing apparatus Masahiro Ishida 2010-03-23
7679391 Test equipment and semiconductor device Daisuke Watanabe 2010-03-16
7676343 Transfer measurement circuit Daisuke Watanabe 2010-03-09
7642797 Power supply stabilizing circuit, an electronic device and a test apparatus Shoji Kojima 2010-01-05
7603241 Light receiving apparatus, testing apparatus, light receiving method, testing method, test module and semiconductor chip Daisuke Watanabe 2009-10-13
7555038 Transmission system, signal receiver, test apparatus and test head Daisuke Watanabe 2009-06-30
7509058 Data transmission apparatus, photoelectric conversion circuit and test apparatus Atsushi Ono 2009-03-24
7502980 Signal generator, test apparatus, and circuit device Daisuke Watanabe 2009-03-10
7475319 Threshold voltage control apparatus, test apparatus, and circuit device Daisuke Watanabe 2009-01-06
7469196 Measuring a characteristic of a transfer circuit Daisuke Watanabe 2008-12-23
7453289 Transmission circuit, CMOS semiconductor device, and design method thereof Kazuhiro Yamamoto 2008-11-18
7394328 Oscillator circuit and test apparatus Daisuke Watanabe 2008-07-01
7389190 Testing apparatus for testing a device under test and comparator circuit and calibration apparatus for the testing apparatus Yoshiharu Umemura, Toshiaki Awaji, Masahiro Yamakawa 2008-06-17
7349617 Test apparatus and cable guide unit Masashi Shibata, Tsutomu Akiyama 2008-03-25
7336885 Test apparatus, optical coupler and method of manufacturing same Atsushi Ono, Akihiro Fujimoto, Masashi Shibata 2008-02-26
7332926 Semiconductor test apparatus Masatoshi Ohashi 2008-02-19
7321249 Oscillator, frequency multiplier, and test apparatus Daisuke Watanabe 2008-01-22
7316578 Electronic device test apparatus with optical cables Atsushi Ono, Akihiro Fujimoto, Masashi Shibata 2008-01-08
7286742 Test apparatus and cable guide unit Masashi Shibata, Tsutomu Akiyama 2007-10-23
7209668 Data transmission apparatus, photoelectric conversion circuit and test apparatus Atsushi Ono 2007-04-24
7142031 Delay device, semiconductor testing device, semiconductor device, and oscilloscope Masakatsu Suda 2006-11-28
7126366 Semiconductor test apparatus Masatoshi Ohashi 2006-10-24
7071746 Variable delay circuit Masakatsu Suda, Satoshi Sudou 2006-07-04
7034723 Timing comparator, data sampling apparatus, and testing apparatus Masakatsu Suda, Satoshi Sudou 2006-04-25