Assignee
NIKKI CHEM CO LTD
JP·3 granted patents·35 citations·filing 1980–1998
Top patents by PatentIndex Score
3 records- 0185US4302357ACatalyst for production of ethylene from ethanolNIKKI CHEM CO LTD·Filed 1980·Granted Nov 24, 1981·25 cites·8 claims
- 0254US4950832AMethod for preparation of dialkylnaphthalenes and catalyst for the sameNIKKI CHEM CO LTD·Filed 1988·Granted Aug 21, 1990·5 cites·4 claims
- 0335US6146763AUltraviolet-cutoff material and process for preparing the sameNIKKI CHEM CO LTD·Filed 1998·Granted Nov 14, 2000·5 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when NIKKI CHEM 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 →