KN

Kiyomi Niwa

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
Overall (All Time): #2,345,668 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4711293 Ventilator of the heat exchange type Yutaka Kozawa 1987-12-08
4342568 Refuse disposal apparatus Koichi Taniguchi, Tadaaki Siraisi 1982-08-03