Inventor · disambiguated record
Toshiaki Koizumi
Also filed as: KOIZUMI TOSHIAKI
22 granted patents·3 pending applications·164 citations·filing 1985–2021
94Inventor score
Top patents by PatentIndex Score
25 records- 0196US9793847B2Electric power toolHITACHI KOKI KK·Filed 2016·Granted Oct 17, 2017·7 cites·2 claims
- 0291US10033323B2Electric power toolIWATA KAZUTAKA·Filed 2012·Granted Jul 24, 2018·7 cites·18 claims
- 0389US10505473B2Electric toolHITACHI KOKI KK·Filed 2015·Granted Dec 10, 2019·4 cites·11 claims
- 0487US4845700AFront loading disc playerPIONEER ELECTRONIC CORP·Filed 1988·Granted Jul 4, 1989·42 cites·8 claims
- 0586US10307841B2Power toolHITACHI KOKI KK·Filed 2016·Granted Jun 4, 2019·3 cites·19 claims
- 0682US11070160B2Electric power toolKOKI HOLDINGS CO LTD·Filed 2018·Granted Jul 20, 2021·1 cites·17 claims
- 0781US10886764B2Power toolHITACHI KOKI KK·Filed 2015·Granted Jan 5, 2021·4 cites·5 claims
- 0880US4949328ADisk player for playing both sides of a disk or multiple disks without ejection thereof and a disk player with a disk being played that overlaps disks stored in a storage receptorPIONEER ELECTRONIC CORP·Filed 1988·Granted Aug 14, 1990·27 cites·27 claims
- 0978US11770088B2Electric power toolKOKI HOLDINGS CO LTD·Filed 2021·Granted Sep 26, 2023·0 cites·8 claims
- 1078US4695995AFront loading disk player with improved disk sensor positioningPIONEER ELECTRONIC CORP·Filed 1985·Granted Sep 22, 1987·24 cites·5 claims
- 1173US10744633B2Power ToolHITACHI KOKI KK·Filed 2016·Granted Aug 18, 2020·2 cites·10 claims
- 1272US7452798B2Semiconductor chip mounting substrate, a method of producing the same, and a method of mounting a semiconductor chipHITACHI LTD·Filed 2007·Granted Nov 18, 2008·5 cites·34 claims
- 1371US9768713B2Electric toolHITACHI KOKI KK·Filed 2014·Granted Sep 19, 2017·2 cites·4 claims
- 1469US10205198B2Power tool and battery packHITACHI KOKI KK·Filed 2015·Granted Feb 12, 2019·2 cites·12 claims
- 1569US9769990B2Power toolHITACHI KOKI KK·Filed 2013·Granted Sep 26, 2017·1 cites·15 claims
- 1667US5084854AOptical disk reproducing apparatusPIONEER ELECTRONIC CORP·Filed 1990·Granted Jan 28, 1992·17 cites·12 claims
- 1760US10717138B2Power toolKOKI HOLDINGS CO LTD·Filed 2019·Granted Jul 21, 2020·0 cites·6 claims
- 1858US10536056B2Electric power toolHITACHI KOKI KK·Filed 2013·Granted Jan 14, 2020·1 cites·15 claims
- 1957US7476977B2Semiconductor chip mounting substrate, a method of producing the same, and a method of mounting a semiconductor chipHITACHI LTD·Filed 2005·Granted Jan 13, 2009·1 cites·4 claims
- 2055US9457459B2Power tool provided with circuit boardTADOKORO NAOKI·Filed 2011·Granted Oct 4, 2016·2 cites·10 claims
- 2150US2016250743A1Electrical power toolHITACHI KOKI KK·Filed 2014·Application pending·0 cites
- 2246US5477154AAn EDP checker including a matching circuitHITACHI KOKI KK·Filed 1994·Granted Dec 19, 1995·12 cites·6 claims
- 2343US2016111984A1Power toolHITACHI KOKI KK·Filed 2014·Application pending·0 cites
- 2441US11123846B2Electric toolHITACHI KOKI KK·Filed 2015·Granted Sep 21, 2021·0 cites·20 claims
- 2540US2017012572A1Work toolHITACHI KOKI KK·Filed 2015·Application pending·0 cites
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