Inventor · disambiguated record
Noboru Sakurai
Also filed as: SAKURAI NOBORU
10 granted patents·3 pending applications·30 citations·filing 1989–2022
83Inventor score
Top patents by PatentIndex Score
13 records- 0193US7565099B2Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portionSEIKO EPSON CORP·Filed 2006·Granted Jul 21, 2009·17 cites·16 claims
- 0284US7555252B2Image forming apparatus that prevents conspicuous unevenness in image densitySEIKO EPSON CORP·Filed 2007·Granted Jun 30, 2009·8 cites·20 claims
- 0367US8192339B2Developing roller, manufacturing method thereof, developing apparatus and image forming apparatusSUZUKI JUNICHI·Filed 2007·Granted Jun 5, 2012·3 cites·7 claims
- 0457US8401443B2Toner-particle bearing roller, developing device, and image forming apparatusYAMADA YOICHI·Filed 2011·Granted Mar 19, 2013·0 cites·6 claims
- 0553US12362115B2Vacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 2022·Granted Jul 15, 2025·0 cites·14 claims
- 0648US8086150B2Toner particle-bearing roller with projection portion, developing device having such toner particle-bearing roller, and image forming apparatus having such developing deviceYAMADA YOICHI·Filed 2006·Granted Dec 27, 2011·0 cites·4 claims
- 0745US8449343B2Discharge lamp having a heat resistant film and method for producing sameNISHIYAMA YOSHIHIDE·Filed 2010·Granted May 28, 2013·0 cites·2 claims
- 0843US8405311B2Discharge lamp preventing devitrification, light source device, and projectorSAKURAI NOBORU·Filed 2010·Granted Mar 26, 2013·0 cites·7 claims
- 0940US2009245891A1Rolling apparatus, development roller and method for manufacturing the same, development device, and image forming apparatusSEIKO EPSON CORP·Filed 2008·Application pending·0 cites
- 1037US2003151878A1Electronic apparatusFiled 2003·Application pending·0 cites
- 1137US2010213841A1Discharge lamp, method for producing same, light source device, and projectorSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 1233US8087170B2Developing agent carrier manufacturing method, developing agent carrier, developing device and image forming apparatusSAKURAI NOBORU·Filed 2006·Granted Jan 3, 2012·0 cites·18 claims
- 1331US5148334APhase synchronization circuitHITACHI LTD·Filed 1989·Granted Sep 15, 1992·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →