P

Inventor

YAMAGUCHI WATARU

JP58 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROTHER IND LTD

16 patents
US12111605B2Oct 8, 2024

Image forming apparatus with movable joint cam, and rotator

BROTHER IND LTD2 citations73
US9501020B2Nov 22, 2016

Image forming apparatus that uses a planetary gear mechanism to change a rotation direction of rollers

BROTHER IND LTD4 citations73
US12572109B2Mar 10, 2026

Image forming apparatus having movable joint cam with openings

BROTHER IND LTD0 citations62
US11493871B2Nov 8, 2022

Image forming apparatus capable of inserting sheet tray in one direction and discharging printed sheet in opposite direction

BROTHER IND LTD0 citations62
US11579559B2Feb 14, 2023

Image forming apparatus including developing cartridge

BROTHER IND LTD0 citations52
US11526119B2Dec 13, 2022

Developing cartridge including first separation member at first outer surface of casing, and second separation member at second outer surface of casing

BROTHER IND LTD0 citations52
US11409228B2Aug 9, 2022

Image forming apparatus configured to determine position of cam based on detection result of sensor

BROTHER IND LTD0 citations52
US11347166B2May 31, 2022

Belt unit including first frame provided with bearing holder positioned closer to second frame, and image-forming apparatus provided with the belt unit

BROTHER IND LTD0 citations52
US11334021B2May 17, 2022

Image forming apparatus with a gear train for developing rollers and a gear train for photosensitive drums

BROTHER IND LTD0 citations52
US11334019B2May 17, 2022

Image forming apparatus including cam configured to move development roller

BROTHER IND LTD0 citations52
US9904231B2Feb 27, 2018

Image-forming apparatus having structure for stably supporting belt unit

BROTHER IND LTD0 citations52
US9487366B2Nov 8, 2016

Belt conveying device provided with rotatable assembly and frame for skew correction of belt

BROTHER IND LTD0 citations52
US9448528B2Sep 20, 2016

Image-forming apparatus having structure for stably supporting belt unit

BROTHER IND LTD1 citations52
US12346047B2Jul 1, 2025

Image forming apparatus with reduced number of connection lines

BROTHER IND LTD0 citations51
US9506535B2Nov 29, 2016

Image-forming apparatus provided with interlocking mechanism for inputting drive force to drive roller of belt unit

BROTHER IND LTD0 citations42
US9989916B2Jun 5, 2018

Image forming apparatus having coupling structure between cartridge and driver unit

BROTHER IND LTD0 citations41

CANON KK

10 patents

YAMAGUCHI WATARU

7 patents

AISIN SEIKI

4 patents

MINOLTA CO LTD

3 patents

AIST

2 patents

KONICA MINOLTA INC

2 patents

KONICA MINOLTA SENSING INC

1 patent

HITACHI DEVICE ENG

1 patent

INOUE YUICHI

1 patent

RENESAS TECH CORP

1 patent

IIDA SHINICHI

1 patent

SHIMANO KK

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.