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For the Inventor, By the Inventor

Tokyo, Japan

Sanyo Denki Co., Ltd.


USPTO Granted Patents = 323



Trademarks = 10

Forward Citations = 1,821

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222 inventors (with patents filed for the assignee):

goldMedal Toshiki Ogawara (38 out of 39 patents)

silverMedal Satoshi Sugita (31 out of 31 patents)

bronzeMedal Toshihito Miyashita (29 out of 29 patents)

4.  Yuqi Tang (28 out of 28 patents)

5.  Yasushi Misawa (27 out of 27 patents)

6.  Haruhisa Maruyama (23 out of 23 patents)

7.  Michinori Watanabe (23 out of 24 patents)

8.  Manabu Horiuchi (21 out of 21 patents)

9.  Katsumichi Ishihara (17 out of 17 patents)

10.  Shigenori Miyairi (16 out of 16 patents)

11.  Jiro Watanabe (15 out of 16 patents)

12.  Honami Oosawa (13 out of 13 patents)

13.  Yoshihisa Yamazaki (12 out of 13 patents)

14.  Hiromitsu Kuribayashi (12 out of 12 patents)

15.  Takahisa Toda (11 out of 11 patents)


Core Competencies:
Axial Fan
Motor Control Apparatus
Permanent Magnet Synchronous Motor
Waterproof Fan
Electromagnetic Braking Device
Linear Motor
Brushless Fan Motor
Cooling Fan Control
Reversible Fan
Motor Stator
Fan Device
Armature Structure

323 patents:

1. 12519355 - Rotor (2026-01-06),
2. 12512774 - Motor control apparatus (2025-12-30),
3. 12480505 - Axial fan (2025-11-25),
4. 12476573 - Motor control apparatus (2025-11-18),
5. 12421970 - Axial fan having control board cover with windows at top surface and side peripheral surface of control board cover (2025-09-23),
6. 12289015 - Motor armature structure and motor armature manufacturing method (2025-04-29),
7. 12283855 - Rotor of interior permanent magnet synchronous motor (2025-04-21),
8. 12203487 - Axial fan (2025-01-21),
9. 12176786 - Waterproof fan (2024-12-24),
10. 12176785 - Waterproof fan (2024-12-24),
11. 12126296 - Motor control apparatus (2024-10-22),
12. 12104604 - Axial fan (2024-10-01),
13. 12101014 - Rotary electric motor (2024-09-24),
14. 12095329 - Motor armature winding structure and motor armature wire winding method (2024-09-17),
15. 12074501 - Motor-specific electromagnetic braking device (2024-08-27),
SANYO DENKI CO., LTD. is a leading global provider of high-quality AC and DC cooling fans, servo systems, stepper systems, and power supply units. With over 100 years of experience, SANYO DENKI has established a reputation for manufacturing innovative and reliable products for various industries such as automotive, medical, and industrial automation. Their commitment to customer satisfaction and cutting-edge technology has made them a trusted partner in the market.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

323 Patents

#232 in Tokyo

#498 in Japan

#2,702 in the World

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Tokyo, Japan

Sanyo Denki Co., Ltd.

Forward Citations = 1,821

222 inventors:

goldMedal Toshiki Ogawara (38 out of 39 patents)

silverMedal Satoshi Sugita (31 out of 31 patents)

bronzeMedal Toshihito Miyashita (29 out of 29 patents)

4.  Yuqi Tang (28 out of 28 patents)

5.  Yasushi Misawa (27 out of 27 patents)

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