Inventor · disambiguated record
Hironobu Sayama
Also filed as: SAYAMA HIRONOBU
7 granted patents·39 citations·filing 2011–2020
80Inventor score
Top patents by PatentIndex Score
7 records- 0190US8713758B2Opening/closing deviceMITSUI YASUHIRO·Filed 2011·Granted May 6, 2014·21 cites·4 claims
- 0281US9770957B2Suspension coil spring and strut type suspensionMITSUBISHI STEEL MFG·Filed 2015·Granted Sep 26, 2017·6 cites·7 claims
- 0375US9091105B2Opening/closing deviceSAYAMA HIRONOBU·Filed 2011·Granted Jul 28, 2015·6 cites·8 claims
- 0475US9094490B2Cover mechanism for opening and closing deviceSAYAMA HIRONOBU·Filed 2011·Granted Jul 28, 2015·6 cites·3 claims
- 0560US12135068B2Hollow spring and method of manufacturing the sameMITSUBISHI STEEL MFG·Filed 2020·Granted Nov 5, 2024·0 cites·6 claims
- 0647US10987779B2Hollow spring and manufacturing method thereofMITSUBISHI STEEL MFG·Filed 2018·Granted Apr 27, 2021·0 cites·12 claims
- 0733US10300756B2Suspension coil springMITSUBISHI STEEL MFG·Filed 2015·Granted May 28, 2019·0 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →