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Yukihiko Machida

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 237(Granted Patents)

Location History:

Mitaku, JA (1976)
Mitaka, JA (1976 - 1977)
Kawasaki, JP (1982)
Seki, JP (1984 - 1985)
Kanagawa, JP (1985)
Shinagawa, JP (1987)
Tokyo, JP (1989)

Company Filing History:

12 out of 58,130

Sony Corporation

Years Active: 1976-1989

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4823206 - Video signal recording and/or reproducing apparatus (1989-04-18),

2. 4821032 - Communication system for video information apparatus (1989-04-11),

3. 4804894 - Motor rotation servo control apparatus (1989-02-14),

4. 4713702 - Data communication apparatus (1987-12-15),

5. 4559501 - Signal translating circuit (1985-12-17),

6. 4551771 - Method and apparatus for recording digital information in alternate (1985-11-05),

7. 4477844 - Apparatus for recording a digital audio signal in a track with a video (1984-10-16),

8. 4326223 - Video signal recording and/or reproducing apparatus with gain control (1982-04-20),

9. 4021742 - Phase compressor for phase modulated signal (1977-05-03),

10. 3997823 - Brushless DC motor driving circuit (1976-12-14),

11. 3992719 - Video signal recording/reproducing apparatus wherein the phase of the (1976-11-16),

12. 3949314 - Phase demodulator (1976-04-06),

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