Inventor
SHIRAKI TAKAMASA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAKI TAKAMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
5 patentsUS7982923B2Jul 19, 2011
Image forming apparatus
RICOH CO LTD11 citations84
US7873303B2Jan 18, 2011
Upper frame opening and closing mechanism, and image forming apparatus using the same
RICOH CO LTD13 citations84
US8032071B2Oct 4, 2011
Image forming apparatus including a reading part supported by first and second supporters
RICOH CO LTD5 citations63
US7937028B2May 3, 2011
Image forming apparatuses having specialized toner structures and materials
RICOH CO LTD3 citations63
US7873297B2Jan 18, 2011
Image forming apparatus
RICOH CO LTD3 citations61