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Hikaru Masui

USPTO Granted Patents = 6

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 32(Granted Patents)

Location History:

Katsuta, JP (1990)
Yokohama, JP (1989 - 1991)
Ashiya, JP (1991 - 1992)

Company Filing History:

5 out of 42,496

Hitachi Video Engineering, Incorporated

1 out of 27,375

Matsushita Electric Industrial Co., Ltd.

where one patent can have more than one assignee

Years Active: 1989-1992

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5122869 - Video signal processing apparatus (1992-06-16),

2. 4994923 - Video signal recording and reproducing apparatus with signal processing (1991-02-19),

3. 4992891 - Dual record/read head video recording and playback apparatus with (1991-02-12),

4. 4991026 - Chrominance signal reproducing apparatus for video tape recorder (1991-02-05),

5. 4901297 - Optical magnetic recording and reproducing method and apparatus capable (1990-02-13),

6. 4809096 - Tracking controlling device using multiple pilot signals in magnetic (1989-02-28),

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