SA

Sumiaki Aoki

Ricoh Company: 8 patents #2,692 of 9,818Top 30%
Overall (All Time): #647,097 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8944560 Image forming apparatus Kohta Akiyama 2015-02-03
8602515 Image forming device Kaoru Satoh 2013-12-10
7494199 Head control device and image recording apparatus 2009-02-24
6923520 Head driving unit and an image forming apparatus using the same Tatsuhiko Oikawa, Toshihito Kamei, Takashi Kimura, Mikio Ohashi 2005-08-02
6252682 Document sensing device for an image forming apparatus Nobuyuki Baba, Koichi Kudo 2001-06-26
5929436 Optical sensor including a first and second converging optical system for edge detection Nobuyuki Baba, Toshiharu Murai, Koichi Kudo 1999-07-27
5818062 Original edge detecting system and optical sensor using distance detecting light-receiving means Nobuyuki Baba, Toshiharu Murai, Koichi Kudo 1998-10-06
5729024 Original edge detecting system and optical sensor Nobuyuki Baba, Toshiharu Murai, Koichi Kudo 1998-03-17