YT

Yasutaka Tamai

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,034,796 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7031638 Color image forming apparatus with a removable and inclined intermediate transfer body unit Junichi Tanizaki, Noriyuki Tajima, Yoshitaka Kitaoka 2006-04-18
6882816 Developing device with developer circulating path 2005-04-19
6477344 Image forming apparatus, transfer belt unit, cleaning device and cleaner unit used for image forming apparatus Kenji Asakura, Masanori Yoshikawa, Noboru Katakabe, Masawo Otsuka 2002-11-05
6157399 Color image recording apparatus Noboru Miyaji, Yoichi Sekine, Toshiaki Nakata, Koji Ohi, Yoshiya Igashima +1 more 2000-12-05
6035158 Image forming apparatus and belt unit thereof Kenji Asakura, Keizou Takeuchi, Masanori Yoshikawa, Noboru Katakabe, Hiromichi Miyoshi 2000-03-07