Assignee
KAWAMATA YUJI
JP·7 granted patents·3 pending applications·14 citations·filing 2007–2025
Top patents by PatentIndex Score
10 records- 0183US2026038275A1Information processing apparatus, information processing system, and recording mediumKAWAMATA YUJI·Filed 2025·Application pending·0 cites
- 0282US8845826B2Lead-free solder for vehicles and a vehicle-mounted electronic circuit using the solderKAWAMATA YUJI·Filed 2008·Granted Sep 30, 2014·11 cites·11 claims
- 0373US2025321511A1Monochrome optical scanning device and monochrome image forming apparatusKAWAMATA YUJI·Filed 2025·Application pending·0 cites
- 0472US12592080B2Information processing apparatus, information processing system, and recording mediumKAWAMATA YUJI·Filed 2023·Granted Mar 31, 2026·0 cites·9 claims
- 0564US2025003828A1Resin molded article and method for determining deterioration of resin molded articleKAWAMATA YUJI·Filed 2024·Application pending·0 cites
- 0662US8888932B2Indium-containing lead-free solder for vehicle-mounted electronic circuitsKAWAMATA YUJI·Filed 2008·Granted Nov 18, 2014·2 cites·10 claims
- 0753US9073154B2Flux for lead-free solder and soldering methodKAWAMATA YUJI·Filed 2007·Granted Jul 7, 2015·0 cites·17 claims
- 0852US11889042B2Information processing apparatus, information processing system, fee management method, and recording medium that transmits usage fee in response to detecting that first and second users belong to a same groupKAWAMATA YUJI·Filed 2023·Granted Jan 30, 2024·0 cites·7 claims
- 0950US9227258B2Lead-free solder alloy having reduced shrinkage cavitiesKAWAMATA YUJI·Filed 2009·Granted Jan 5, 2016·1 cites·14 claims
- 1039US11492223B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceKAWAMATA YUJI·Filed 2020·Granted Nov 8, 2022·0 cites·7 claims
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