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Masatoshi Itoh

USPTO Granted Patents = 55 (Patent Applications = 6)

EPO Patents = 1

Average Co-Inventor Count = 1.8

ph-index = 13

Forward Citations = 463(Granted Patents)

Forward Citations (Not Self Cited) = 447(Dec 10, 2025)

Location History:

Tokyo, JP (2000)
Takatsuki, JP (1989 - 2001)
Suntou-gun, JP (2013)
Osaka, JP (1989 - 2014)
Sakai, JP (1982 - 2022)
Mishima, JP (2015 - 2024)
Shizuoka, JP (2022 - 2024)

Company Filing History:

32 out of 90,697

Canon Kabushiki Kaisha

18 out of 2,979

Minolta Camera Kabushiki Kaisha

Comnes Co., Ltd

4. 2 out of 25,550

Sharp Kabushiki Kaisha Corporation

5. 1 out of 2,816

Minolta Company, Ltd.

Years Active: 1982-2025

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Areas of Expertise:

Motor Control Apparatus

Image Forming Apparatus

Liquid Crystal Display Device

Fixing Device

Power Supply Apparatus

Image Heating Device

Camera Technology

Automatic Focusing Apparatus

Zoom Lens System

In-Focus Detection

Development Switching Unit

Current Detection Unit

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12368398 - Motor control apparatus and image forming apparatus (2025-07-22),

2. 12282279 - Motor control apparatus and image forming apparatus with limiting coil current flowing through motor coil (2025-04-21),

3. 12191786 - Motor control apparatus and image forming apparatus having plurality of activation modes (2025-01-07),

4. 12019388 - Motor control apparatus configured to control command value of excitation current based on rotation speed of rotor, and image forming apparatus (2024-06-25),

5. 11932031 - Motor control apparatus and image forming apparatus (2024-03-19),

6. 11846904 - Motor control apparatus and image forming apparatus with limiting coil current flowing through motor coil (2023-12-19),

7. 11841640 - Image forming apparatus comprising development switching unit and current detection unit (2023-12-12),

8. 11835900 - Motor control apparatus that controls motor, based on command values of excitation current and of torque current, and image forming apparatus (2023-12-05),

9. 11720040 - Image forming apparatus (2023-08-08),

10. 11673756 - Image forming apparatus and sheet conveyance apparatus (2023-06-13),

11. 11567441 - Image forming apparatus displaying abnormal state of rotary members driven by a motor based on a detected current value (2023-01-31),

12. 11476782 - Image forming apparatus having motor, and motor control apparatus for controlling motor (2022-10-18),

13. 11467527 - Image forming apparatus that controls transmission of driving force to a developing roller based on current through a motor (2022-10-11),

14. 11360410 - Image forming apparatus having a two direction rotatable stirring member (2022-06-14),

15. 11308905 - Liquid crystal display device, voltage setting method for liquid crystal display device and method for producing liquid crystal display device (2022-04-19),

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