TK

Tetsuya Koma

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Overall (All Time): #746,992 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8281687 Rotation angle detection device Shozoh Shiraga, Hiromitsu Noda, Masahide Onishi 2012-10-09
8022695 Rotation angle detection device Hideki Tsukaoka 2011-09-20
7944202 Rotation angle detector Toshio Tanaka 2011-05-17
7365280 Switch and manufacturing method thereof Hisashi Nishikawa, Hiroyuki Kosaka, Yoshiyuki Nakade, Takao Matsui, Makoto Nagahara +1 more 2008-04-29
6837604 Lighting apparatus Shigetaka Douzono, Takefumi Inoue, Yoshiharu Abe 2005-01-04
6764191 Illumination type keyboard Shigetaka Douzono, Takefumi Inoue, Yoshiharu Abe 2004-07-20
6100482 Pushbutton switch and input device using the same Mituo Aimi, Takefumi Inoue 2000-08-08