Inventor

MATSUMOTO KENTAROU

JP10 patents

⚠️ This page may combine multiple inventors who share the name “MATSUMOTO KENTAROU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH CO LTD

3 patents

US11366410B2Jun 21, 2022

Developer container, developing device, process cartridge, and image forming apparatus

RICOH CO LTD2 citations71

US11726418B2Aug 15, 2023

Developer container, developing device, process cartridge, and image forming apparatus

RICOH CO LTD0 citations61

US11454897B2Sep 27, 2022

Developing device and image forming apparatus containing regulated bearing

RICOH CO LTD0 citations61

IIO MASATO

2 patents

US9116450B2Aug 25, 2015

Toner, printed material, method of preparing printed material and image forming apparatus having varnish application means

IIO MASATO3 citations60

US8630573B2Jan 14, 2014

Image forming method, image forming apparatus, varnish applicator, and toner

IIO MASATO1 citations48

MATSUMOTO KENTAROU

2 patents

US11640124B2May 2, 2023

Developing device and image forming apparatus incorporating same

MATSUMOTO KENTAROU0 citations44

US12222663B2Feb 11, 2025

Developing device including sensor holder including insertion portion, process cartridge, and image forming apparatus

MATSUMOTO KENTAROU0 citations43

TERAO MASAKAZU

1 patent

US8494385B2Jul 23, 2013

Image forming apparatus

TERAO MASAKAZU9 citations81

SAITO KEI

1 patent

US11131944B2Sep 28, 2021

Developing device regulates an amount of developer on a developing sleeve

SAITO KEI0 citations50

KOBAYASHI SHINYA

1 patent

US8520261B2Aug 27, 2013

Controller and halftone dot signal generating method capable of controlling glossiness of image

KOBAYASHI SHINYA1 citations49