Inventor · disambiguated record
Kokichi Hamamoto
Also filed as: HAMAMOTO KOKICHI
13 granted patents·4 pending applications·61 citations·filing 2006–2023
88Inventor score
Top patents by PatentIndex Score
17 records- 0185US7942423B2Lip type sealNOK CORP·Filed 2006·Granted May 17, 2011·15 cites·5 claims
- 0283US10208861B2Sealing deviceNOK CORP·Filed 2015·Granted Feb 19, 2019·5 cites·4 claims
- 0381USD802104SSealNOK CORP·Filed 2016·Granted Nov 7, 2017·23 cites·1 claims
- 0477US11287042B2Sealing apparatusNOK CORP·Filed 2019·Granted Mar 29, 2022·2 cites·32 claims
- 0577US9133938B2Sealing deviceNOK CORP·Filed 2014·Granted Sep 15, 2015·3 cites·1 claims
- 0663US8573112B2High-pressure fuel pump and seal system for high-pressure fuel pumpNAKAYAMA JUNICHI·Filed 2006·Granted Nov 5, 2013·6 cites·6 claims
- 0762US9303768B2Valve stem seal deviceHAMAYA YASUNARI·Filed 2011·Granted Apr 5, 2016·2 cites·9 claims
- 0852USD865134SSealNOK CORP·Filed 2017·Granted Oct 29, 2019·5 cites·1 claims
- 0952US2025198515A1Sealing deviceNOK CORP·Filed 2023·Application pending·0 cites
- 1048US11668397B2Sealing structure for cover made of resinNOK CORP·Filed 2019·Granted Jun 6, 2023·0 cites·8 claims
- 1148US2020124178A1Sealing apparatusNOK CORP·Filed 2019·Application pending·0 cites
- 1247US11835136B2Sealing deviceNOK CORP·Filed 2020·Granted Dec 5, 2023·0 cites·2 claims
- 1347US2020011423A1Sealing apparatusNOK CORP·Filed 2019·Application pending·0 cites
- 1444US11460110B2Sealing deviceNOK CORP·Filed 2019·Granted Oct 4, 2022·0 cites·11 claims
- 1541US11261968B2Sealing device for differential mechanismNOK CORP·Filed 2018·Granted Mar 1, 2022·0 cites·13 claims
- 1640US2009256315A1Sealing deviceNOK CORP·Filed 2009·Application pending·0 cites
- 1735US8622397B2Oil sealHAMAMOTO KOKICHI·Filed 2011·Granted Jan 7, 2014·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →