Inventor · disambiguated record
Masaru Ishiwata
Also filed as: ISHIWATA MASARU
3 granted patents·42 citations·filing 2001–2016
68Inventor score
Files withSHOWA CORP3
Top patents by PatentIndex Score
3 records- 0179US6390228B2Hydraulic power steering apparatus for vehicleSHOWA CORP·Filed 2001·Granted May 21, 2002·35 cites·2 claims
- 0278US9828021B2Power steering apparatusSHOWA CORP·Filed 2016·Granted Nov 28, 2017·4 cites·20 claims
- 0368US9777826B2Worm biasing structureSHOWA CORP·Filed 2014·Granted Oct 3, 2017·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →