Inventor · disambiguated record
Masahiro Umezawa
Also filed as: UMEZAWA MASAHIRO
8 granted patents·3 pending applications·6 citations·filing 1990–2022
76Inventor score
Top patents by PatentIndex Score
11 records- 0177US9463676B2Suspension and compression coil spring for suspensionNHK SPRING CO LTD·Filed 2015·Granted Oct 11, 2016·3 cites·4 claims
- 0264US11701943B2Method of manufacturing a hollow spring memberNHK SPRING CO LTD·Filed 2022·Granted Jul 18, 2023·0 cites·4 claims
- 0363US7963510B2Compression coil spring device having a discrete supportNHK SPRING CO LTD·Filed 2006·Granted Jun 21, 2011·3 cites·12 claims
- 0462US11685211B2Hollow coil spring and suspension device for vehicleNHK SPRING CO LTD·Filed 2021·Granted Jun 27, 2023·0 cites·1 claims
- 0559US11254177B2Hollow coil spring and suspension device for vehicleNHK SPRING CO LTD·Filed 2018·Granted Feb 22, 2022·0 cites·2 claims
- 0654US2023399451A1Method for producing block copolymerNIPPON SODA CO·Filed 2021·Application pending·0 cites
- 0751US2019030979A1Hollow spring memberNHK SPRING CO LTD·Filed 2018·Application pending·0 cites
- 0836US2005051937A1Compression coil spring device having discontinuous support structureFiled 2002·Application pending·0 cites
- 0935US9713946B2Strut-type suspension and compression coil spring for suspensionNHK SPRING CO LTD·Filed 2015·Granted Jul 25, 2017·0 cites·5 claims
- 1033US10358008B2Suspension coil springNHK SPRING CO LTD·Filed 2015·Granted Jul 23, 2019·0 cites·7 claims
- 1118USH1062HApparatus for producing a printing stencil plate for screen printingPROCESS LAB MICRON CO LTD·Filed 1990·Granted Jun 2, 1992·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →