Inventor · disambiguated record
Kenzo Nakagawa
Also filed as: NAKAGAWA KENZO
8 granted patents·135 citations·filing 1978–2014
86Inventor score
Top patents by PatentIndex Score
8 records- 0188US4688206ADevice for opening and closing a shutter member of a disk cartridgeSONY CORP·Filed 1986·Granted Aug 18, 1987·42 cites·4 claims
- 0283US5043974ADisc cartridgeSONY CORP·Filed 1989·Granted Aug 27, 1991·31 cites·11 claims
- 0379US4220879ABrushless DC motorSONY CORP·Filed 1978·Granted Sep 2, 1980·32 cites·7 claims
- 0460US9423589B2Lens holder, lens driving device, camera device and electronic deviceNEW SHICOH TECH CO LTD·Filed 2014·Granted Aug 23, 2016·1 cites·13 claims
- 0557US6246829B1Recording medium driverSONY CORP·Filed 1998·Granted Jun 12, 2001·23 cites·13 claims
- 0653US7648671B2Method of making master for manufacturing optical disc and method of manufacturing optical discSONY CORP·Filed 2003·Granted Jan 19, 2010·2 cites·7 claims
- 0738US6741802B1Elastic support assembly for disk device for disk recording apparatus with video cameraSONY CORP·Filed 1997·Granted May 25, 2004·4 cites·13 claims
- 0826US8119043B2Method of making master for manufacturing optical disc and method of manufacturing optical discKAI SHINICHI·Filed 2003·Granted Feb 21, 2012·0 cites·4 claims
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