Assignee
TOPURA KK
JP·16 granted patents·2 pending applications·290 citations·filing 1984–2022
Top patents by PatentIndex Score
18 records- 0189US4637767AThreaded fastenerTOPURA KK·Filed 1984·Granted Jan 20, 1987·76 cites·13 claims
- 0284US5205694ASelf-tapping screwTOPURA KK·Filed 1992·Granted Apr 27, 1993·70 cites·4 claims
- 0377US7938609B2Tightening structure using high-strength self-forming screwsTOPURA KK·Filed 2008·Granted May 10, 2011·14 cites·8 claims
- 0474US5249882ASelf-tapping screwTOPURA KK·Filed 1992·Granted Oct 5, 1993·46 cites·3 claims
- 0567US7780388B2Tapping screwTOPURA KK·Filed 2005·Granted Aug 24, 2010·9 cites·2 claims
- 0665US9267528B2Tapping screwTOPURA KK·Filed 2013·Granted Feb 23, 2016·4 cites·4 claims
- 0765US6077013ABolt equipped with pilotTOPURA KK·Filed 1997·Granted Jun 20, 2000·36 cites·1 claims
- 0863US12038035B2Threaded fastenerTOPURA KK·Filed 2021·Granted Jul 16, 2024·1 cites·17 claims
- 0959US5203657ASelf-tapping screwTOPURA KK·Filed 1992·Granted Apr 20, 1993·30 cites·4 claims
- 1054US11795986B2External screw memberTOPURA KK·Filed 2021·Granted Oct 24, 2023·0 cites·18 claims
- 1152US2024401514A1Fastening memberTOPURA KK·Filed 2022·Application pending·0 cites
- 1247US11953045B2Screw threadTOPURA KK·Filed 2020·Granted Apr 9, 2024·0 cites·9 claims
- 1345US9752609B2Threaded fastenerTOPURA KK·Filed 2014·Granted Sep 5, 2017·0 cites·6 claims
- 1442US10954985B2External screw memberTOPURA KK·Filed 2020·Granted Mar 23, 2021·0 cites·10 claims
- 1539US11846311B2External thread memberTOPURA KK·Filed 2019·Granted Dec 19, 2023·0 cites·18 claims
- 1637US11162525B2External thread memberTOPURA KK·Filed 2017·Granted Nov 2, 2021·0 cites·20 claims
- 1730US2024247680A1Threaded fastener, and function addition member of threaded fastenerTOPURA KK·Filed 2021·Application pending·0 cites
- 1825US4677703ADies for forming drilling screwsTOPURA KK·Filed 1986·Granted Jul 7, 1987·4 cites·5 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →