Inventor
MIZUGUCHI TAKAHIRO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “MIZUGUCHI TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
4 patentsUS6022662AFeb 8, 2000
Toner for developing electrostatic images, method of producing toner for developing electrostatic images, electrostatic image developer
FUJI XEROX CO LTD19 citations92
US5998078ADec 7, 1999
Method of preparing toner for electrostatic charge image development, toner for electrostatic charge image development, electrostatic charge image developer, and image forming method
FUJI XEROX CO LTD27 citations92
US7422834B2Sep 9, 2008
Electrostatic latent image developing magenta toner, electrostatic latent image developer, toner manufacturing method, and image forming method
FUJI XEROX CO LTD6 citations61
US8546058B2Oct 1, 2013
Electrostatic latent image developing toner, electrostatic latent image developer, image forming apparatus, and apparatus for manufacturing electrostatic latent image developing toner
FUJI XEROX CO LTD1 citations51
FUJIFILM BUSINESS INNOVATION CORP
4 patentsUS12351467B2Jul 8, 2025
Silica particle and method for producing the same
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11866340B2Jan 9, 2024
Silica particle and method for producing the same
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11795302B2Oct 24, 2023
Resin particles and method for manufacturing resin particles
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11535757B2Dec 27, 2022
Organic substance-attached porous inorganic oxide particle
FUJIFILM BUSINESS INNOVATION CORP0 citations51
RICOH KK
3 patentsUS7010695B1Mar 7, 2006
Information input-output device, information input-output system, mobile communication terminal, and input-output control unit
RICOH KK19 citations91
US7032813B2Apr 25, 2006
Security tag using security system and office instrument
RICOH KK5 citations61
US7721327B2May 18, 2010
Information input-output device, information input-output system, mobile communication terminal, and input-output control unit
RICOH KK0 citations50