Inventor · disambiguated record
Eiichi Yokoyama
Also filed as: YOKOYAMA EIICHI
5 granted patents·22 citations·filing 1979–1994
75Inventor score
Top patents by PatentIndex Score
5 records- 0146US4568015AMethod of forming electric welded steel tubeKAWASAKI STEEL CO·Filed 1984·Granted Feb 4, 1986·10 cites·12 claims
- 0238US5396378ATime lapse VCR using ATF error data as a control signalSONY CORP·Filed 1994·Granted Mar 7, 1995·5 cites·7 claims
- 0332US4334249AApparatus for use in recording a pulse signal on a magnetic recording mediumSONY CORP·Filed 1979·Granted Jun 8, 1982·2 cites·15 claims
- 0429US5134498AApparatus for controlling the time base of a video signalSONY CORP·Filed 1990·Granted Jul 28, 1992·3 cites·7 claims
- 0528US5313285AFacsimile apparatus having a helical scan VCRSONY CORP·Filed 1992·Granted May 17, 1994·2 cites·5 claims
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