MS

Michio Sumiyoshi

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #743,510 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8422040 Image forming system and method, management apparatus, and recording medium Yuusuke Noguchi, Akeo Maruyama, Tetsuo Ohtsuka, Yoshiya Itoh, Shinichi Kudo +2 more 2013-04-16
8405852 Image forming system using a management apparatus to manage software components Yuusuke Noguchi, Akeo Maruyama, Tetsuo Ohtsuka, Yoshiya Itoh, Shinichi Kudo +2 more 2013-03-26
6405001 Power-saving type electrophotography apparatus suitable for use with optional unit having exclusive power supply 2002-06-11
6330425 Double-surface printing apparatus Yoshio Ohuchi, Akira Shimizu, Nobuaki Fukasawa, Satoshi Narita, Kiminori Takada 2001-12-11
6256464 Electrophotography apparatus 2001-07-03
5602578 Color printer with transfer and superposition of different color toner images onto intermediate transcription member Akira Sasaki, Hiroyuki Tadokoro, Takeshi Kato, Isamu Terashima, Junichi Matsuno +1 more 1997-02-11
5285221 Color image electrophotographic apparatus having photosensitive body and intermediate transfer body Akira Sasaki, Isamu Terashima, Hiroyuki Tadokoro 1994-02-08