P

Inventor

NAKAI JUN

JP59 patents
⚠️ This page may combine multiple inventors who share the name “NAKAI JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KYOCERA DOCUMENT SOLUTIONS INC

15 patents
US9400469B2Jul 26, 2016

Image forming apparatus and method of warning life of charging roller in image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC4 citations73
US9354561B1May 31, 2016

Image forming apparatus and light guide member

KYOCERA DOCUMENT SOLUTIONS INC4 citations72
US11330144B2May 10, 2022

Image forming method with calibration processing, and non-transitory computer-readable recording medium having stored thereon image forming program of the same

KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US9052681B2Jun 9, 2015

Static eliminating device and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC2 citations62
US11644779B2May 9, 2023

Image forming apparatus with toner density adjustment control

KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11480890B2Oct 25, 2022

Image forming apparatus and image forming system capable of calculating actual development current using blank portion current and measuring development current

KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11467523B2Oct 11, 2022

Image forming apparatus that calculates inclination of approximate straight line, approximating relation between toner density and developing current, using different mathematical expressions depending on whether three toner patches or four or more toner patches are provided

KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11134175B2Sep 28, 2021

Image forming apparatus, method, and computer program product correcting scanning directional positions of image adjustment areas to restrain color registration error

KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US9201381B2Dec 1, 2015

Image forming apparatus, light guide member, and electricity removing device

KYOCERA DOCUMENT SOLUTIONS INC1 citations52
USRE47829EJan 28, 2020

Image forming apparatus and light guide member

KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US9471026B2Oct 18, 2016

Image forming apparatus and light guide member

KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US9141072B2Sep 22, 2015

Image forming apparatus and image deletion reducing method

KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US9014591B2Apr 21, 2015

Charging device, and image forming apparatus including the same

KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US8743170B2Jun 3, 2014

Optical scanning apparatus and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US12436382B2Oct 7, 2025

Laser scanning unit and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations44

TOSHIBA MEMORY CORP

7 patents

MITSUBISHI ELECTRIC CORP

6 patents

TOSHIBA KK

4 patents

PANASONIC IP MAN CO LTD

4 patents

SONY CORP

3 patents

KYOCERA MITA CORP

3 patents

NAKAI JUN

2 patents

KIOXIA CORP

2 patents

RENESAS TECH CORP

1 patent

PANASONIC CORP

1 patent

KYOCERA CORP

1 patent

NAKANO ISSEI

1 patent

Showing the top 50 of 59 patents by PatentIndex Score.