Inventor
OHYAMA KUNIHIRO
JP55 patents
⚠️ This page may combine multiple inventors who share the name “OHYAMA KUNIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
14 patentsUS8346105B2Jan 1, 2013
Information storage device, removable device, developer container, and image forming apparatus
RICOH CO LTD15 citations92
US8027596B2Sep 27, 2011
Image forming apparatus
RICOH CO LTD6 citations74
US12416878B2Sep 16, 2025
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11768448B2Sep 26, 2023
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11429036B2Aug 30, 2022
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11275327B2Mar 15, 2022
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11188007B2Nov 30, 2021
Developer container which discharges toner from a lower side and includes a box section
RICOH CO LTD0 citations73
US11366410B2Jun 21, 2022
Developer container, developing device, process cartridge, and image forming apparatus
RICOH CO LTD2 citations71
US10754275B2Aug 25, 2020
Apparatus and method for preventing an information storage device from falling from a removable device
RICOH CO LTD0 citations63
US10725398B2Jul 28, 2020
Developer container having a cap with three portions of different diameters
RICOH CO LTD0 citations63
US9256158B2Feb 9, 2016
Apparatus and method for preventing an information storage device from falling from a removable device
RICOH CO LTD0 citations63
US8369738B2Feb 5, 2013
Toner container and image forming apparatus
RICOH CO LTD2 citations63
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
RICOH KK
11 patentsUSD622759SAug 31, 2010
Toner cartridge
RICOH KK18 citations93
US7302205B2Nov 27, 2007
Process cartridge and image forming apparatus
RICOH KK20 citations93
US6208826B1Mar 27, 2001
Transfer device having notches, method and image forming apparatus using the same transfer device or method
RICOH KK27 citations93
US6873814B2Mar 29, 2005
Developing device using a two-ingredient type developer and image forming apparatus including the same
RICOH KK36 citations92
US6856774B2Feb 15, 2005
Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device
RICOH KK26 citations92
USD622311SAug 24, 2010
Toner cartridge
RICOH KK10 citations84
US7515856B2Apr 7, 2009
Image forming apparatus, a process cartridge provided in the apparatus, and a developing device included in the process cartridge of the apparatus
RICOH KK8 citations84
USD622312SAug 24, 2010
Toner cartridge
RICOH KK7 citations74
USD620523SJul 27, 2010
Toner cartridge
RICOH KK7 citations74
US6810222B2Oct 26, 2004
Image forming apparatus including an image carrier, a latent image forming means, and a developing device capable of preventing developer from escaping the developing device, and process cartridge therefore
RICOH KK9 citations74
US7796922B2Sep 14, 2010
Image forming apparatus having a magnetic field generating unit at the toner carrying section
RICOH KK2 citations63
TAKAHASHI YASUFUMI
9 patentsUSD758482SJun 7, 2016
Toner bottle
TAKAHASHI YASUFUMI12 citations93
USD757161SMay 24, 2016
Toner container
TAKAHASHI YASUFUMI12 citations93
US9081327B2Jul 14, 2015
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI9 citations92
US9069287B2Jun 30, 2015
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI4 citations84
US8909071B2Dec 9, 2014
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI4 citations84
US9989887B2Jun 5, 2018
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI0 citations63
US9599927B2Mar 21, 2017
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI0 citations63
US9110402B2Aug 18, 2015
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI0 citations63
US8660441B2Feb 25, 2014
Information storage device, removable device, developer container, and image forming apparatus
TAKAHASHI YASUFUMI1 citations63
TAKAHASHI MASAKI
6 patentsUSD743400SNov 17, 2015
Information storage device
TAKAHASHI MASAKI10 citations93
USD678227SMar 19, 2013
Tag for removable part
TAKAHASHI MASAKI25 citations93
US9057983B2Jun 16, 2015
Developer container, developer replenishing device, developing device, and image forming apparatus using same
TAKAHASHI MASAKI8 citations84
USD683391SMay 28, 2013
Powder container
TAKAHASHI MASAKI7 citations84
US9329526B2May 3, 2016
Developer container, developer replenishing device, developing device, and image forming apparatus using same
TAKAHASHI MASAKI0 citations52
USD698386SJan 28, 2014
Powder container
TAKAHASHI MASAKI1 citations52
KADOTA ICHIRO
3 patentsYAMANE MASAYUKI
2 patentsNICHIBAN KK
1 patentOHYAMA KUNIHIRO
1 patentYOSHIDA SATORU
1 patentKIMURA HIDEKI
1 patentFUJIWARA YOSHIHIRO
1 patentShowing the top 50 of 55 patents by PatentIndex Score.