P

Inventor

ITOH MASATOSHI

JP71 patents
⚠️ This page may combine multiple inventors who share the name “ITOH MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

22 patents
US9665048B2May 30, 2017

Image forming apparatus having a temperature setting portion to control a target temperature

CANON KK24 citations94
US9335709B2May 10, 2016

Image forming apparatus setting a control target temperature of a fixing portion, fixing an image on recording material, depending on a calculated suppliable electric power suppliable to a heater of the fixing portion

CANON KK27 citations94
US9823617B2Nov 21, 2017

Power supply apparatus and image forming apparatus

CANON KK16 citations84
US11476782B2Oct 18, 2022

Image forming apparatus having motor, and motor control apparatus for controlling motor

CANON KK2 citations73
US10069435B2Sep 4, 2018

Power supply apparatus and image forming apparatus

CANON KK5 citations73
US9575456B2Feb 21, 2017

Image forming apparatus having fixing portion including independently controllable first and second heat generating elements

CANON KK5 citations73
US9298141B2Mar 29, 2016

Image heating device

CANON KK6 citations73
US9501010B2Nov 22, 2016

Fixing apparatus

CANON KK3 citations72
US10303091B2May 28, 2019

Voltage detection apparatus and image forming apparatus

CANON KK2 citations71
US12282279B2Apr 22, 2025

Motor control apparatus and image forming apparatus with limiting coil current flowing through motor coil

CANON KK0 citations63
US12191786B2Jan 7, 2025

Motor control apparatus and image forming apparatus having plurality of activation modes

CANON KK0 citations63
US11846904B2Dec 19, 2023

Motor control apparatus and image forming apparatus with limiting coil current flowing through motor coil

CANON KK0 citations63
US11567441B2Jan 31, 2023

Image forming apparatus displaying abnormal state of rotary members driven by a motor based on a detected current value

CANON KK1 citations63
US9223265B2Dec 29, 2015

Image forming apparatus with option device detection and fixing warm up mode selection

CANON KK3 citations63
US11720040B2Aug 8, 2023

Image forming apparatus

CANON KK0 citations60
US11156949B2Oct 26, 2021

Image forming apparatus

CANON KK0 citations60
US12585219B2Mar 24, 2026

Image forming apparatus with processing unit to control cooling fan operation

CANON KK0 citations52
US12572106B2Mar 10, 2026

Image forming apparatus

CANON KK0 citations52
US12368398B2Jul 22, 2025

Motor control apparatus and image forming apparatus

CANON KK0 citations52
US12019388B2Jun 25, 2024

Motor control apparatus configured to control command value of excitation current based on rotation speed of rotor, and image forming apparatus

CANON KK0 citations52
US11932031B2Mar 19, 2024

Motor control apparatus and image forming apparatus

CANON KK0 citations52
US11841640B2Dec 12, 2023

Image forming apparatus comprising development switching unit and current detection unit

CANON KK0 citations52

MINOLTA CAMERA KK

18 patents
US5225940AJul 6, 1993

In-focus detection apparatus using video signal

MINOLTA CAMERA KK70 citations96
US4935763AJun 19, 1990

Camera having a zoom lens unit

MINOLTA CAMERA KK66 citations96
US5204710AApr 20, 1993

Camera having zoom lens system

MINOLTA CAMERA KK38 citations92
US5097282AMar 17, 1992

Automatic focusing apparatus

MINOLTA CAMERA KK43 citations92
US5001507AMar 19, 1991

Focus detection condition display device for camera

MINOLTA CAMERA KK24 citations92
US4812912AMar 14, 1989

Focus detection condition display device for camera

MINOLTA CAMERA KK43 citations92
US4344680AAug 17, 1982

Photographic devices for controlling flash photography

MINOLTA CAMERA KK35 citations92
US4816860AMar 28, 1989

Camera

MINOLTA CAMERA KK38 citations91
US5157432AOct 20, 1992

Camera having a zoom lens unit

MINOLTA CAMERA KK19 citations82
US4847650AJul 11, 1989

Camera

MINOLTA CAMERA KK19 citations81
US4422743ADec 27, 1983

Exposure system for a camera

MINOLTA CAMERA KK13 citations74
US4354751AOct 19, 1982

Exposure system for a camera

MINOLTA CAMERA KK11 citations74
US5398095AMar 14, 1995

Automatic zooming device

MINOLTA CAMERA KK15 citations73
US5258798ANov 2, 1993

Camera

MINOLTA CAMERA KK15 citations73
US4994842AFeb 19, 1991

Camera having a converter-attachable zoom lens

MINOLTA CAMERA KK19 citations73
US4843456AJun 27, 1989

White balance adjusting device for a color video camera

MINOLTA CAMERA KK11 citations73
US4337996AJul 6, 1982

Lens mount support for self-extending camera

MINOLTA CAMERA KK4 citations62
US5140360AAug 18, 1992

Camera having a zoom lens system

MINOLTA CAMERA KK6 citations58

WINTEST CORP

4 patents

COMNES CO LTD

2 patents

OLYMPUS OPTICAL CO

1 patent

MINOLTA CO LTD

1 patent

IBM

1 patent

YAMAZAKI MAZAK CORP

1 patent

Showing the top 50 of 71 patents by PatentIndex Score.