TT

Tsunefumi Tanaka

Canon: 3 patents #393 of 2,554Top 20%
Overall (2003): #19,895 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6639729 Reflecting type of zoom lens Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Makoto Sekita, Nobuhiro Takeda +6 more 2003-10-28
6636360 Reflecting type of zoom lens Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Makoto Sekita, Nobuhiro Takeda +6 more 2003-10-21
6507359 Image display system Tomotaka Muramoto, Jun Tokumitsu, Hiroaki Hoshi, Shigeki Okauchi, Nobuo Fukushima +2 more 2003-01-14