Assignee

JAPAN PETROLEUM EXPLORATION CO

JP·4 granted patents·4 pending applications·17 citations·filing 19862010

Technology mixC09K5E21B2F25B2C10G1G01F1G01P1

Top patents by PatentIndex Score

8 records

Join the waitlist — get patent alerts

Get an alert when JAPAN PETROLEUM EXPLORATION CO 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 →