Inventor · disambiguated record
Hironobu Imaizumi
Also filed as: IMAIZUMI HIRONOBU
7 granted patents·2 pending applications·40 citations·filing 2006–2022
81Inventor score
Top patents by PatentIndex Score
9 records- 0194US9400027B2Coned disc springNHK SPRING CO LTD·Filed 2013·Granted Jul 26, 2016·23 cites·2 claims
- 0278US7438168B2Cushion plateAISIN AW CO·Filed 2008·Granted Oct 21, 2008·5 cites·3 claims
- 0371US8091873B2Coned disc springOGAWA YUKITOSHI·Filed 2006·Granted Jan 10, 2012·5 cites·1 claims
- 0465US8297603B2Spring retainer and spring systemIMAIZUMI HIRONOBU·Filed 2009·Granted Oct 30, 2012·4 cites·7 claims
- 0562US7971690B2Coned disc springNHK SPRING CO LTD·Filed 2006·Granted Jul 5, 2011·2 cites·1 claims
- 0653US7997242B2Spring retainer and spring systemNHK SPRING CO LTD·Filed 2007·Granted Aug 16, 2011·1 cites·20 claims
- 0752US12442425B2Spring memberNHK SPRING CO LTD·Filed 2021·Granted Oct 14, 2025·0 cites·12 claims
- 0852US2024229886A9Spring memberNHK SPRING CO LTD·Filed 2022·Application pending·0 cites
- 0938US2020088257A1Pressing structure and pressing unitNHK SPRING CO LTD·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →