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Mitsuba Electric Mfg. Co., Ltd.

USPTO Granted Patents = 53

Forward Citations = 540

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74 inventors (with patents filed for the assignee):

Shinichi Nagashima (5 out of 18 patents)

Tugio Onodera (4 out of 4 patents)

Hitoshi Ono (3 out of 10 patents)

4. Kouji Kobayashi (3 out of 3 patents)

5. Nobuhisa Hongo (3 out of 7 patents)

6. Ikuo Fujino (3 out of 3 patents)

7. Shigeru Okajima (3 out of 4 patents)

8. Katsuo Takahara (3 out of 4 patents)

9. Yoshikazu Takahashi (3 out of 5 patents)

10. Yasushi Kawakami (3 out of 3 patents)

11. Akira Kamiyama (3 out of 7 patents)

12. Masahiko Asakura (2 out of 81 patents)

13. Mamoru Zennyoji (2 out of 3 patents)

14. Hideyuki Minami (2 out of 5 patents)

15. Tsugio Onodera (2 out of 13 patents)

Core Competencies:

Electric Motors

Wiper Systems

Starter Motors

Electromagnetic Switches

Cruise Control Systems

DC Motors

Magnetic Switches

Vehicle Generators

Armature Winding

Press Fit Arrangements

Coil Forming

Ventilation Structures

53 patents: Sort by Forward Citations

1. 5738181 - Press fit arrangement of a nut member in an enlarged end portion of a (1998-04-14),

2. 5634258 - Method for forming coils of motor rotors (1997-06-03),

3. 5596138 - Air-tightness testing arrangement for electric devices (1997-01-21),

4. 5552652 - Commutator with improved connection between carbon and metal segments (1996-09-03),

5. 5539987 - X-Y carriage moving system (1996-07-30),

6. 5528945 - Engine starter (1996-06-25),

7. 5467632 - Method for fabricating a contact assembly of a magnetic switch (1995-11-21),

8. 5369915 - Grinding apparatus for grinding end faces of armature (1994-12-06),

9. 5353658 - Starter (1994-10-11),

10. 5335412 - Working device for forcing armature shaft (1994-08-09),

11. 5333351 - Wiper system (1994-08-02),

12. 5315752 - Method for press fitting of a press fitting body and a press fitting (1994-05-31),

13. 5301417 - Method for pressing armature shaft into axial hole (1994-04-12),

14. 5261286 - Modular-type wiper device (1993-11-16),

15. 5250866 - Structure for fixing permanent magnets in motor (1993-10-05),

Mitsuba Electric Mfg. Co., Ltd. is a multinational company specializing in manufacturing electrical components for automobiles. With a strong focus on research and development, Mitsuba is committed to providing innovative solutions for the automotive industry. As a leading supplier to major automobile manufacturers worldwide, the company offers a wide range of products including starters, alternators, wiper systems, power window motors, and more. Mitsuba's dedication to quality and customer satisfaction has earned them a reputation for excellence in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

53 Patents

#1 in Gumma

#1,612 in Japan

#12,935 in the World

Mitsuba Electric Mfg. Co., Ltd.

Forward Citations = 540

74 inventors:

Shinichi Nagashima (5 out of 18 patents)

Tugio Onodera (4 out of 4 patents)

Hitoshi Ono (3 out of 10 patents)

4. Kouji Kobayashi (3 out of 3 patents)

5. Nobuhisa Hongo (3 out of 7 patents)

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