Assignee
SANKO CHEMICAL CO LTD
5 granted patents·76 citations·filing 1974–1986
Top patents by PatentIndex Score
5 records- 0190US3983292APressure sensitive recording papersSANKO CHEMICAL CO LTD·Filed 1974·Granted Sep 28, 1976·26 cites·3 claims
- 0282US4046941ASupport sheet with sensitized coating of organic acid substance and organic high molecular compound particulate mixtureSANKO CHEMICAL CO LTD·Filed 1975·Granted Sep 6, 1977·38 cites·21 claims
- 0345US4009205AProcess for preparing 4-amino-3-methyl-n-substituted or unsubstituted alkylanilinesSANKO CHEMICAL CO LTD·Filed 1974·Granted Feb 22, 1977·3 cites·11 claims
- 0433US4725172AEdged tool positioning device for use in a machine toolSANKO CHEMICAL CO LTD·Filed 1986·Granted Feb 16, 1988·6 cites·3 claims
- 0522US4732514ADevice for use in reshaping the gate of a metal mould for plastic injection mouldingSANKO CHEMICAL CO LTD·Filed 1986·Granted Mar 22, 1988·3 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when SANKO CHEMICAL 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 →