P

Inventor

TANAKA YOSHIHIKO

JP52 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA YOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

27 patents
US6856338B2Feb 15, 2005

Image forming apparatus

CANON KK35 citations93
US9128291B2Sep 8, 2015

Optical scanning apparatus, image forming apparatus, and support member for an optical scanning apparatus

CANON KK21 citations92
US9581929B2Feb 28, 2017

Optical scanning apparatus, image forming apparatus, and support member for an optical scanning apparatus

CANON KK15 citations84
US9854120B2Dec 26, 2017

Optical scanning device and image forming apparatus

CANON KK11 citations83
US9319553B2Apr 19, 2016

Image-forming apparatus

CANON KK6 citations83
US6969846B2Nov 29, 2005

Light source unit and scanning optical apparatus using the same

CANON KK18 citations82
US9523851B2Dec 20, 2016

Light deflection unit, optical scanning apparatus, and image forming apparatus

CANON KK6 citations73
USRE50141ESep 24, 2024

Image-forming apparatus

CANON KK1 citations72
US11022908B2Jun 1, 2021

Image forming apparatus

CANON KK3 citations72
US10007208B2Jun 26, 2018

Image-forming apparatus for correcting a brightness of a laser light

CANON KK2 citations72
US9857721B2Jan 2, 2018

Light source device, optical scanning apparatus and image forming apparatus

CANON KK3 citations71
US10551764B2Feb 4, 2020

Optical scanning apparatus and image forming apparatus

CANON KK1 citations63
US7515841B2Apr 7, 2009

Image forming apparatus for preventing defective fixing of a toner image

CANON KK5 citations63
US12304224B2May 20, 2025

Image forming apparatus

CANON KK0 citations62
US11852988B2Dec 26, 2023

Image forming apparatus with improved vibration rigidity

CANON KK0 citations62
US11820158B2Nov 21, 2023

Image forming apparatus

CANON KK0 citations62
US11383413B2Jul 12, 2022

Manufacturing method of polygonal mirror, polygonal mirror, deflector, optical scanning apparatus and image forming apparatus

CANON KK0 citations62
US11353805B2Jun 7, 2022

Image forming apparatus to address vibration rigidity of a scanner unit

CANON KK0 citations62
US11249303B2Feb 15, 2022

Rotary polygon mirror, light deflecting unit, and optical scanning apparatus including light deflecting unit

CANON KK0 citations62
US11086248B2Aug 10, 2021

Image forming apparatus with fan configured for dust-resistant cooling of optical scanning unit

CANON KK1 citations62
US12346039B2Jul 1, 2025

Rotatable polygon mirror, optical deflector, scanning optical device, and image forming apparatus

CANON KK0 citations52
US11714372B2Aug 1, 2023

Image forming apparatus

CANON KK0 citations52
US11703776B2Jul 18, 2023

Light deflector, light scanning apparatus and image forming apparatus

CANON KK0 citations52
US11385457B2Jul 12, 2022

Optical scanning device having rotating polygon mirror, and image forming apparatus including the same

CANON KK0 citations52
US11366310B2Jun 21, 2022

Polygonal mirror, deflector, optical scanning apparatus and image forming apparatus

CANON KK0 citations51
US10976541B2Apr 13, 2021

Scanning optical device and image forming apparatus

CANON KK0 citations51
US10197942B2Feb 5, 2019

Image-forming apparatus

CANON KK0 citations51

TAKATA CORP

13 patents

MITA INDUSTRIAL CO LTD

4 patents

PRIMA MEAT PACKERS LTD

2 patents

MITSUBISHI RAYON CO

1 patent

KYOCERA MITA CORP

1 patent

SHINSEI CORP

1 patent

TAKATA COPORATION

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.