KN

Kazuchika Nagao

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #3,476,786 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6724917 Control apparatus for ventilating a tunnel Hiroyuki Ohashi, Toshihiro Koyama 2004-04-20