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Itoh Denki Company, Limited

USPTO Granted Patents = 49

EPO Patents = 18

Trademarks = 2

Forward Citations = 314

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39 inventors (with patents filed for the assignee):

Kazuo Itoh (40 out of 57 patents)

Tatsuhiko Nakamura (22 out of 27 patents)

Toshiyuki Tachibana (14 out of 24 patents)

4. Yoshiyuki Kujihashi (5 out of 7 patents)

5. Makoto Mitsuyoshi (5 out of 5 patents)

6. Yoshinori Nagai (5 out of 7 patents)

7. Koji Ueda (4 out of 4 patents)

8. Hideo Naiki (4 out of 4 patents)

9. Kazuwo Miki (3 out of 3 patents)

10. Masayuki Shimoda (3 out of 3 patents)

11. Jun Maekawa (3 out of 3 patents)

12. Masaki Tanaka (3 out of 4 patents)

13. Mitsuo Inoue (3 out of 27 patents)

14. Takuya Nagasawa (2 out of 2 patents)

15. Takahiro Itoh (2 out of 2 patents)

Core Competencies:

Motor Unit

Conveyance Device

Conveyor System

Cargo Handling Device

Code Reading Device

Lifting Device

Motorized Roller

Transfer Device

Zone Controller

Energy-Saving Motor

Fault Diagnosis Method

Brushless Motor

49 patents: Sort by Forward Citations

1. 12509304 - Transport roller, conveyor device, and inclined conveyor device (2025-12-30),

2. 12476518 - Motor unit for motor incorporating roller, geared motor, and method for manufacturing the same (2025-11-18),

3. 12371268 - Motor unit and conveyance device (2025-07-29),

4. 12304745 - Method for manufacturing conveyance device (2025-05-20),

5. 12275599 - Conveyor system, cause information report device, and computer-readable recording medium recording program for cause information report device (2025-04-14),

6. 11760575 - Conveyance device and planar conveyance device (2023-09-19),

7. 11365064 - Cargo handling device and cargo handling method (2022-06-21),

8. 11273986 - Conveyance device and conveyance direction changing device (2022-03-15),

9. 11097899 - Conveyor device and conveying-direction changing device (2021-08-24),

10. D911289 - Connector (2021-02-23),

11. 10853600 - Code reading device and code reading method (2020-12-01),

12. 10766714 - Lifting device and sporting device (2020-09-08),

13. 10597237 - Lifting and lowering apparatus (2020-03-24),

14. 10577189 - Conveyance device, planar conveyance apparatus, and conveyance unit (2020-03-03),

15. 10518975 - Conveying device (2019-12-31),

Itoh Denki Company, Limited is a leading global manufacturer of motorized rollers and other motion control products. With over 70 years of experience, the company specializes in providing innovative and reliable solutions for conveyor systems in various industries. Their motorized rollers are used for efficient and smooth material handling, offering superior performance, energy efficiency, and easy maintenance. Itoh Denki's commitment to quality, technology, and customer satisfaction has established them as a trusted partner for businesses worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

49 Patents

#1 in Kasai

#1,704 in Japan

#13,867 in the World

Itoh Denki Company, Limited

Forward Citations = 314

39 inventors:

Kazuo Itoh (40 out of 57 patents)

Tatsuhiko Nakamura (22 out of 27 patents)

Toshiyuki Tachibana (14 out of 24 patents)

4. Yoshiyuki Kujihashi (5 out of 7 patents)

5. Makoto Mitsuyoshi (5 out of 5 patents)

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