Inventor · disambiguated record
Yoshiro Joichi
Also filed as: JOICHI YOSHIRO
7 granted patents·58 citations·filing 1981–1999
83Inventor score
Files withSONY CORP7
Top patents by PatentIndex Score
7 records- 0178US4476555ATracking servo apparatus for an optical information reproducing systemSONY CORP·Filed 1983·Granted Oct 9, 1984·22 cites·10 claims
- 0264US4420694AMuting circuitSONY CORP·Filed 1981·Granted Dec 13, 1983·12 cites·2 claims
- 0359US4379286ADigital signal processing circuitSONY CORP·Filed 1981·Granted Apr 5, 1983·10 cites·2 claims
- 0450US4922513ARotation control circuit for a hall motorSONY CORP·Filed 1989·Granted May 1, 1990·12 cites·5 claims
- 0530US6081493AApparatus for demodulating digital FM signal in an optical disc deviceSONY CORP·Filed 1999·Granted Jun 27, 2000·1 cites·4 claims
- 0630US5907528AApparatus for demodulating a digital FM signal which normally has signal inversions at data bit boundariesSONY CORP·Filed 1996·Granted May 25, 1999·1 cites·9 claims
- 0728US5838649AApparatus for demodulating digital FM signal in an optical disc deviceSONY CORP·Filed 1997·Granted Nov 17, 1998·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →