Assignee
OPT ENG CO LTD
JP·7 granted patents·132 citations·filing 1990–2003
Top patents by PatentIndex Score
7 records- 0176US5651169AContinuous riveting machine for fastening blind rivetsOPT ENG CO LTD·Filed 1996·Granted Jul 29, 1997·36 cites·1 claims
- 0272US7159291B2Continuous riveter and continuously caulking method of blind rivetsOPT ENG CO LTD·Filed 2003·Granted Jan 9, 2007·16 cites·7 claims
- 0360US7043827B2Device for installing rivets on rivet holding bodyOPT ENG CO LTD·Filed 2003·Granted May 16, 2006·9 cites·13 claims
- 0457US6029814ABlind rivet holderOPT ENG CO LTD·Filed 1999·Granted Feb 29, 2000·19 cites·3 claims
- 0555US5544407AContinuous riveting method for fastening blind rivetsOPT ENG CO LTD·Filed 1995·Granted Aug 13, 1996·15 cites·8 claims
- 0654US5590459ADevice for successively inserting rivets and the like into a long continuous rivet-holding beltOPT ENG CO LTD·Filed 1994·Granted Jan 7, 1997·21 cites·3 claims
- 0747US5090607AFeed belt for rivetsOPT ENG CO LTD·Filed 1990·Granted Feb 25, 1992·16 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when OPT ENG CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →