Assignee
JAPAN NATIONAL OIL
JP·10 granted patents·563 citations·filing 1986–1997
Top patents by PatentIndex Score
10 records- 0191US5736107AApparatus for oxidative coupling of methaneJAPAN NATIONAL OIL·Filed 1997·Granted Apr 7, 1998·91 cites·4 claims
- 0287US5875859ADevice for controlling the drilling direction of drill bitJAPAN NATIONAL OIL·Filed 1996·Granted Mar 2, 1999·170 cites·6 claims
- 0387US5675325AInformation transmitting apparatus using tube bodyJAPAN NATIONAL OIL·Filed 1995·Granted Oct 7, 1997·64 cites·10 claims
- 0483US5750821AMethod for oxidative coupling of methane comprising catalytic crackingJAPAN NATIONAL OIL·Filed 1995·Granted May 12, 1998·84 cites·11 claims
- 0579US5189415AReceiving apparatusJAPAN NATIONAL OIL·Filed 1991·Granted Feb 23, 1993·77 cites·13 claims
- 0654US4828353ASubmersible optical wet connectorJAPAN NATIONAL OIL·Filed 1987·Granted May 9, 1989·18 cites·15 claims
- 0743US5389550AOrganic substance analyzing method and apparatus using portable constructionJAPAN NATIONAL OIL·Filed 1993·Granted Feb 14, 1995·19 cites·7 claims
- 0841US6059661AShaft alignmentJAPAN NATIONAL OIL·Filed 1996·Granted May 9, 2000·17 cites·6 claims
- 0934US4756559ASwivel joint for fluid pipesJAPAN NATIONAL OIL·Filed 1986·Granted Jul 12, 1988·11 cites·4 claims
- 1028US5327773AMethod and apparatus for measuring steam density by neutron methodJAPAN NATIONAL OIL·Filed 1993·Granted Jul 12, 1994·12 cites·7 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →