TY

Tomonori Yabuta

Ricoh Company: 8 patents #2,692 of 9,818Top 30%
Overall (All Time): #665,322 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6282396 Color image forming apparatus and method of obtaining color images with decreased image positional deviation Nobuo Iwata, Mitsugu Sugiyama, Toshiya Satoh, Tadashi Shinohara, Yutaka Shio 2001-08-28
6184910 Color image forming apparatus with polygonal mirror rotation phase control Eiichi Sasaki, Tsuyoshi Deki, Nobuo Iwata, Takeshi Motohashi, Takahiro Tamiya +1 more 2001-02-06
6128459 Color image forming apparatus and method of obtaining color images with decreased image positional deviation Nobuo Iwata, Mitsugu Sugiyama, Toshiya Satoh, Tadashi Shinohara, Yutaka Shio 2000-10-03
5963240 Deflecting mirror adjusting device for an image forming apparatus Tadashi Shinohara, Nobuo Iwata, Mitsugu Sugiyama, Toshiya Sato, Yutaka Shio 1999-10-05
5962783 Apparatus for detecting rotational speed Nobuo Iwata, Mitsugu Sugiyama, Toshiya Sato, Tadashi Shinohara, Yutaka Shio 1999-10-05
5828926 Registration control for an image forming apparatus having an intermediate transfer belt Nobuo Iwata, Shingo Katou, Yutaka Shio 1998-10-27
5799228 Image forming apparatus which prevents adverse affects from heating elements Nobuo Iwata, Shingo Katoh, Yutaka Shio 1998-08-25
5678161 Paper conveyer of image forming apparatus which conveys paper to a fixing device Shigeo Kurotaka, Nobuo Iwata, Shingo Katou, Takeshi Motohashi, Tsuyoshi Deki +1 more 1997-10-14