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Nippon Columbia Kabushiki Kaisha

USPTO Granted Patents = 20

Forward Citations = 137

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34 inventors (with patents filed for the assignee):

Hideaki Hayashi (4 out of 5 patents)

Yoshikazu Kobayashi (4 out of 4 patents)

Susumu Kakuta (2 out of 2 patents)

4. Yoshihisa Kamo (2 out of 2 patents)

5. Katsuyoshi Nukui (2 out of 2 patents)

6. Tsutomu Hara (1 out of 23 patents)

7. Hiroshi Satoh (1 out of 2 patents)

8. Kazumasa Ishikawa (1 out of 9 patents)

9. Masachika Harada (1 out of 1 patent)

10. Keiichiro Ogura (1 out of 1 patent)

11. Tetsuro Araki (1 out of 1 patent)

12. Takeshi Tachibana (1 out of 1 patent)

13. Masao Ichimura (1 out of 1 patent)

14. Yukio Nagata (1 out of 1 patent)

15. Eiji Satoh (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 4825304 - Recording disc with sync information disposed in radial alignment (1989-04-25),

2. 4543617 - Recording apparatus (1985-09-24),

3. 4519064 - Optical record disc (1985-05-21),

4. 4463223 - Head phone (1984-07-31),

5. 4447790 - Distortion eliminating circuit (1984-05-08),

6. 4336501 - Frequency characteristic adjusting circuit (1982-06-22),

7. 4312061 - Record player (1982-01-19),

8. 4214893 - Method of making a magnetic powder (1980-07-29),

9. 4209669 - Pick-up cartridge (1980-06-24),

10. 4209119 - Tape drive control apparatus (1980-06-24),

11. 4175461 - Electromagnetic pickup device (1979-11-27),

12. 4161631 - Pickup cartridge (1979-07-17),

13. 4149036 - Crosstalk compensating circuit (1979-04-10),

14. 4133494 - Tape driving apparatus (1979-01-09),

15. 4115666 - Discrete 4-channel stereo recording and/or reproducing system compatible (1978-09-19),

Nippon Columbia Kabushiki Kaisha, commonly known as Columbia Music Entertainment, is a Japanese record label founded in 1910. The company produces and distributes music in various genres including pop, rock, classical, and anime soundtracks. Columbia Music Entertainment is a subsidiary of the Nippon Columbia Co., Ltd. and continues to be a major player in the Japanese music industry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

20 Patents

#1,169 in Tokyo

#2,886 in Japan

#30,364 in the World

Nippon Columbia Kabushiki Kaisha

Forward Citations = 137

34 inventors:

Hideaki Hayashi (4 out of 5 patents)

Yoshikazu Kobayashi (4 out of 4 patents)

Susumu Kakuta (2 out of 2 patents)

4. Yoshihisa Kamo (2 out of 2 patents)

5. Katsuyoshi Nukui (2 out of 2 patents)

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