KO

Kenichi Okubo

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
JS Japan Ae Power Systems: 3 patents #1 of 57Top 2%
NC Nippon Steel Nisshin Co.: 2 patents #17 of 93Top 20%
NC Nisshin Steel Co.: 2 patents #160 of 514Top 35%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
ON onsemi: 1 patents #1,116 of 1,901Top 60%
Overall (All Time): #273,571 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10724242 Metal roofing material and roofing method Motonori Kurotaki, Shuichi Sugita, Keiji Izumi, Tomoyuki Nagatsu, Yuugo Oota +3 more 2020-07-28
10597874 Metal roofing material, and roofing structure and roofing method using same Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita +1 more 2020-03-24
10400455 Metal roofing member, production method thereof, roofing structure and roofing method Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita 2019-09-03
10233645 Metal roofing member, and roofing structure and roofing method using same Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita 2019-03-19
9953778 Gas circuit breaker and breaker for gas insulated switching device Hiroaki Hashimoto, Takashi Iida, Shunta MORI 2018-04-24
9640349 Gas circuit breaker Hiroaki Hashimoto, Go KOBAYASHI 2017-05-02
9425589 Gas-insulated switchgear Hiroaki Hashimoto, Daisuke Ebisawa, Makoto Hirose 2016-08-23
9324510 Gas circuit breaker Hiroaki Hashimoto 2016-04-26
8694138 Sound data processing appartus Kenichi Kojima 2014-04-08
7880105 Circuit breaker Hiroaki Hashimoto, Hideo Kawamoto 2011-02-01
7528336 Gas circuit-breaker Hiroaki Hashimoto, Hideo Kawamoto 2009-05-05
6875941 Hydraulic operating apparatus for switch Hideo Kawamoto, Daisuke Ebisawa 2005-04-05
6851872 Substrate processing apparatus and substrate processing method Akira Kanbayashi 2005-02-08
6831244 Gas-insulated switch Hideo Kawamoto, Tetsu Ishiguro 2004-12-14
6762387 Gas-insulated switch Hideo Kawamoto, Tetsu Ishiguro 2004-07-13
6717088 Gas-insulated switch Hideo Kawamoto, Tetsu Ishiguro 2004-04-06
6507770 Substrate processing system and substrate processing method Masanori Tateyama, Jun Ookura 2003-01-14