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%
Overall (All Time): #10,394 of 4,157,543Top 1%
118
Patents All Time

Issued Patents All Time

Showing 1–25 of 118 patents

Patent #TitleCo-InventorsDate
8933716 Test apparatus and testing method Masahiro Ishida, Kazuhiro Yamamoto 2015-01-13
8896332 Test apparatus with voltage margin test Masahiro Ishida, Daisuke Watanabe, Kiyotaka Ichiyama 2014-11-25
8892381 Test apparatus and manufacturing method Daisuke Watanabe 2014-11-18
8754631 Test apparatus for digital modulated signal Daisuke Watanabe 2014-06-17
8614465 Electronic device and manufacturing method Daisuke Watanabe 2013-12-24
8610449 Wafer unit for testing and test system Daisuke Watanabe 2013-12-17
8593166 Semiconductor wafer, semiconductor circuit, substrate for testing and test system Daisuke Watanabe 2013-11-26
8554514 Test apparatus and test method Kazuhiro Yamamoto 2013-10-08
8537935 Clock data recovery circuit and method Daisuke Watanabe 2013-09-17
8502549 Test apparatus and driver circuit Shoji Kojima 2013-08-06
8471754 Time measurement circuit Kazuhiro Yamamoto 2013-06-25
8473248 Test apparatus and test method Kazuhiro Yamamoto 2013-06-25
8466702 Test system and substrate unit for testing Daisuke Watanabe 2013-06-18
8466701 Power supply stabilizing circuit, electronic device and test apparatus Shoji Kojima 2013-06-18
8456170 Test apparatus for digital modulated signal Daisuke Watanabe 2013-06-04
8436604 Measuring apparatus, parallel measuring apparatus, testing apparatus and electronic device Kazuhiro Yamamoto 2013-05-07
8392145 Timing generator Daisuke Watanabe 2013-03-05
8390268 Noise measurement apparatus and test apparatus 2013-03-05
8378700 Wafer unit for testing semiconductor chips and test system Daisuke Watanabe 2013-02-19
8375340 Apparatus for manufacturing substrate for testing, method for manufacturing substrate for testing and recording medium Daisuke Watanabe, Masakatsu Suda 2013-02-12
8369126 Memory device, manufacturing method for memory device and method for data writing Daisuke Watanabe 2013-02-05
8362544 Switching device and testing apparatus 2013-01-29
8299810 Test apparatus and electronic device Daisuke Watanabe 2012-10-30
8301411 Electronic device, host apparatus, communication system, and recording medium 2012-10-30
8278961 Test apparatus and test method Daisuke Watanabe 2012-10-02