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Akai Electric Co., Ltd.

USPTO Granted Patents = 25

Trademarks = 1

Forward Citations = 224

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24 inventors (with patents filed for the assignee):

Kokichi Terajima (9 out of 23 patents)

Tokuichi Minakawa (6 out of 6 patents)

Shinichi Aotsu (3 out of 3 patents)

4. Hisashi Watanabe (2 out of 6 patents)

5. Yoshiteru Urino (2 out of 2 patents)

6. Shinji Tanimoto (1 out of 2 patents)

7. Koji Arai (1 out of 38 patents)

8. Masayuki Ishida (1 out of 46 patents)

9. Ken Onishi (1 out of 82 patents)

10. Wataru Kakinoki (1 out of 1 patent)

11. Noriaki Miyoshi (1 out of 1 patent)

12. Makoto Namekawa (1 out of 8 patents)

13. Hideo Matsuoka (1 out of 1 patent)

14. Shichiro Fukatsu (1 out of 1 patent)

15. Motonori Fukatsu (1 out of 1 patent)

25 patents: Sort by Forward Citations

1. 5636076 - Automatic recording current controller of magnetic recorder (1997-06-03),

2. 5594168 - Vibration control apparatus having oscillation frequency regulation (1997-01-14),

3. 5581142 - Vibration control device for safely induced vibration of gyroscopes (1996-12-03),

4. 5554904 - Vibration control apparatus having automatic gain control (1996-09-10),

5. 5551292 - Angular velocity detection circuit for vibratory gyroscopes (1996-09-03),

6. 5460043 - Vibratory gyroscope (1995-10-24),

7. 5446539 - Magnetic recording and reproducing device with selective line noise (1995-08-29),

8. 5416641 - Magnetic recording/reproducing apparatus including a switch for (1995-05-16),

9. 5400149 - Magnetic recording apparatus having improved detail emphasis circuit (1995-03-21),

10. 5386726 - Vibratory gyroscope (1995-02-07),

11. 5270607 - Vibration control apparatus (1993-12-14),

12. 5257109 - Magnetic recording and reproducing apparatus (1993-10-26),

13. 5256929 - Vibrator support structure (1993-10-26),

14. 5254898 - Vibrator (1993-10-19),

15. 5249064 - Noise canceller for use in a magnetic reproducing apparatus (1993-09-28),

Akai Electric Co., Ltd. is a renowned electronic manufacturing company based in Japan. With a history dating back to 1929, Akai has established itself as a leader in consumer electronics, particularly for its innovative audio and video products. The company's commitment to quality, reliability, and cutting-edge technology has earned it a strong reputation globally. Akai continues to develop and produce a wide range of products, including televisions, audio systems, digital recorders, headphones, and more, catering to the needs of both consumers and professional users.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

25 Patents

#1,045 in Tokyo

#2,515 in Japan

#24,950 in the World

Akai Electric Co., Ltd.

Forward Citations = 224

24 inventors:

Kokichi Terajima (9 out of 23 patents)

Tokuichi Minakawa (6 out of 6 patents)

Shinichi Aotsu (3 out of 3 patents)

4. Hisashi Watanabe (2 out of 6 patents)

5. Yoshiteru Urino (2 out of 2 patents)

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