Inventor · disambiguated record
Hirofumi Hase
Also filed as: HASE HIROFUMI
9 granted patents·3 pending applications·83 citations·filing 2000–2017
85Inventor score
Top patents by PatentIndex Score
12 records- 0179US7188549B2Axial-force-detective fastening tool, bolt, and method of manufacturing boltSANNOHASHI CO LTD·Filed 2005·Granted Mar 13, 2007·20 cites·10 claims
- 0279US6450138B1Valve timing adjusting deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Sep 17, 2002·24 cites·17 claims
- 0377US6591799B1Valve timing adjusting deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 15, 2003·16 cites·11 claims
- 0474US6523511B2Valve timing adjusting apparatus for internal combustion engineMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Feb 25, 2003·15 cites·13 claims
- 0559US6453860B1Valve timing control deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 24, 2002·8 cites·9 claims
- 0649US10876435B2Variable valve timing device and assembly method of variable valve timing deviceMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Dec 29, 2020·0 cites·4 claims
- 0744US2012175540A1Hydraulic pressure controlling solenoid valveHASE HIROFUMI·Filed 2009·Application pending·0 cites
- 0843US2007140812A1Axial-force-detective fastening tool, bolt, and method of manufacturing boltSANNOHASHI CO LTD·Filed 2007·Application pending·0 cites
- 0937US9689285B2Solenoid valve for variable valve timing control devices, and variable valve timing control systemHASE HIROFUMI·Filed 2009·Granted Jun 27, 2017·0 cites·6 claims
- 1036US9540965B2Valve timing control device and method of assembly thereofHASE HIROFUMI·Filed 2012·Granted Jan 10, 2017·0 cites·6 claims
- 1136US2012167846A1Valve timing regulatorHASE HIROFUMI·Filed 2009·Application pending·0 cites
- 1232US6666180B2Valve timing control deviceMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Dec 23, 2003·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hirofumi Hase files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →