Assignee
TANKEN SEIKO CORP
JP·3 granted patents·96 citations·filing 1978–1984
Top patents by PatentIndex Score
3 records- 0186US4196911AMechanical sealTANKEN SEIKO CORP·Filed 1978·Granted Apr 8, 1980·47 cites·5 claims
- 0277US4545588AMechanical face seal for sealing slurry liquidTANKEN SEIKO CORP·Filed 1984·Granted Oct 8, 1985·32 cites·21 claims
- 0358US4463957ASealing device for rotary shaft and string-like member for defining spiral thereforTANKEN SEIKO CORP·Filed 1981·Granted Aug 7, 1984·17 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when TANKEN SEIKO CORP 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 →