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Universal Pioneer Corporation

USPTO Granted Patents = 33

Forward Citations = 388

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25 inventors (with patents filed for the assignee):

Hitoshi Kanamaru (6 out of 32 patents)

Takashi Okano (5 out of 30 patents)

Toru Akiyama (4 out of 23 patents)

4. Koichi Suzuki (2 out of 4 patents)

5. Toshihiko Hosaka (2 out of 3 patents)

6. Minoru Kosaka (2 out of 9 patents)

7. Katsuharu Sato (2 out of 9 patents)

8. Keiji Masaki (2 out of 3 patents)

9. Tetsuo Shimizu (1 out of 12 patents)

10. Toshiyuki Amaya (1 out of 4 patents)

11. Tadashi Funabashi (1 out of 13 patents)

12. Fumitaka Kotaka (1 out of 5 patents)

13. Hiroaki Tsuboi (1 out of 1 patent)

14. Yositugu Araki (1 out of 1 patent)

15. Tutomu Fukui (1 out of 1 patent)

33 patents: Sort by Forward Citations

1. 4564867 - Video disc recording and reproducing device for video discs having (1986-01-14),

2. 4528599 - FM angular modulation system for video signal recording (1985-07-09),

3. 4516160 - Information recording and reproducing system (1985-05-07),

4. 4512005 - Information reproducing apparatus in a recording disc player (1985-04-16),

5. 4512002 - Tracking servo system of recording disc information recording and (1985-04-16),

6. 4510592 - Disk clamping device (1985-04-09),

7. 4498158 - Address data searching method for data recording medium reproducing (1985-02-05),

8. 4494154 - Pickup control device and method for fast or slow reproduction in a disk (1985-01-15),

9. 4477838 - Tangential error signal generator in PAL type video disc player (1984-10-16),

10. 4476499 - Video disc recording and reproducing system (1984-10-09),

11. 4475182 - Focus servo control system for automatically adjusting a relative (1984-10-02),

12. 4459621 - High frequency crosstalk eliminating circuit in video disc reproducing (1984-07-10),

13. 4442516 - Drive mechanism for disc player with bearing supported slider (1984-04-10),

14. 4429378 - Optical pickup device for use in a video and/or audio disc player (1984-01-31),

15. 4425583 - Video disc player having time base variations eliminated in both audio (1984-01-10),

Universal Pioneer Corporation is a leading provider of innovative technology solutions for a wide range of industries. We specialize in developing cutting-edge software and hardware products that help businesses streamline their operations and improve efficiency. With a strong focus on research and development, we are dedicated to creating solutions that drive growth and success for our clients. Visit our website to learn more about how Universal Pioneer Corporation can help your business thrive.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

33 Patents

#1,018 in Tokyo

#2,194 in Japan

#20,085 in the World

Universal Pioneer Corporation

Forward Citations = 388

25 inventors:

Hitoshi Kanamaru (6 out of 32 patents)

Takashi Okano (5 out of 30 patents)

Toru Akiyama (4 out of 23 patents)

4. Koichi Suzuki (2 out of 4 patents)

5. Toshihiko Hosaka (2 out of 3 patents)

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