Inventor · disambiguated record
Sadahiko Yokoyama
Also filed as: YOKOYAMA SADAHIKO
8 granted patents·1 pending application·183 citations·filing 1995–2001
88Inventor score
Files withNEC CORP9
Top patents by PatentIndex Score
9 records- 0184US5715592AParts disassembling apparatusNEC CORP·Filed 1995·Granted Feb 10, 1998·68 cites·4 claims
- 0281US5780536AJoining member and method for disintegrating joined structureNEC CORP·Filed 1996·Granted Jul 14, 1998·39 cites·9 claims
- 0375US5743936AMethod of recovering valuables from printed wiring board having electronic components mounted thereonNEC CORP·Filed 1996·Granted Apr 28, 1998·25 cites·18 claims
- 0471US5676318AMethod of recovering valuable substances from printed circuit boardNEC CORP·Filed 1995·Granted Oct 14, 1997·24 cites·2 claims
- 0569US6522149B2Method and apparatus for identifying plasticsNEC CORP·Filed 2001·Granted Feb 18, 2003·9 cites·33 claims
- 0659US6290919B1Electrostatic separating apparatusNEC CORP·Filed 2000·Granted Sep 18, 2001·10 cites·17 claims
- 0745US6244445B1Moisturizing equipmentNEC CORP·Filed 2000·Granted Jun 12, 2001·3 cites·14 claims
- 0839US2002027943A1Display on which a measurement result can be known only by viewing a measurement piece, and an apparatus for identifying a plastic material by using the display, and to accordingly make a selection simpler, cheaper and surerNEC CORP·Filed 2001·Application pending·0 cites
- 0937US5801358AMethod for disintegrating joined structure with high frequency fieldsNEC CORP·Filed 1997·Granted Sep 1, 1998·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →