Inventor
SHITARA YASUTADA
JP32 patents
⚠️ This page may combine multiple inventors who share the name “SHITARA YASUTADA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
14 patentsUS8034526B2Oct 11, 2011
Method for manufacturing toner and toner
RICOH CO LTD18 citations84
US8007974B2Aug 30, 2011
Toner, image forming apparatus using the same, image forming method using the same, and process cartridge
RICOH CO LTD5 citations63
US7873304B2Jan 18, 2011
Image forming apparatus, image forming method, and process cartridge
RICOH CO LTD6 citations63
US7862973B2Jan 4, 2011
Toner and developer, and image forming apparatus, image forming method and process cartridge
RICOH CO LTD4 citations63
US8012659B2Sep 6, 2011
Image forming apparatus, toner, and process cartridge
RICOH CO LTD2 citations62
US7901861B2Mar 8, 2011
Electrophotographic image forming method
RICOH CO LTD4 citations62
US10226918B2Mar 12, 2019
Three-dimensional object formation powder material, three-dimensional object formation material set, and three-dimensional object production method
RICOH CO LTD0 citations52
US8377618B2Feb 19, 2013
Image forming method, image forming apparatus, and toner
RICOH CO LTD1 citations52
US7892718B2Feb 22, 2011
Image forming apparatus, image forming method and process cartridge
RICOH CO LTD0 citations52
US10268131B2Apr 23, 2019
Cleaner for cleaning droplet ejector, and particulate material production apparatus using the cleaner
RICOH CO LTD0 citations51
US9539600B2Jan 10, 2017
Method for cleaning droplet ejector, cleaner for cleaning droplet ejector, and particulate material production apparatus using the cleaner
RICOH CO LTD0 citations51
US9170508B2Oct 27, 2015
Particulate material production method and apparatus, toner production method and apparatus, and toner
RICOH CO LTD1 citations50
US8364065B2Jan 29, 2013
Image forming apparatus and image forming system
RICOH CO LTD1 citations49
US8357481B2Jan 22, 2013
Image forming method and image forming apparatus
RICOH CO LTD0 citations41
KATOH KIYOTADA
3 patentsUS9141010B2Sep 22, 2015
Particulate material production apparatus, and particulate material production method
KATOH KIYOTADA1 citations49
US8828285B2Sep 9, 2014
Particulate production apparatus and particulate production method, and toner preparation apparatus and toner preparation method
KATOH KIYOTADA0 citations49
US8673534B2Mar 18, 2014
Particulate material production method and apparatus, toner production method and apparatus, and toner
KATOH KIYOTADA1 citations48