NIPPON KOEI CO., LTD.
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- Dec 26, 2017 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 16 Total Citation Count
- Aug 02, 2004 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2013/0240,421 VORTEX FLOW TYPE WATER SURFACE CONTROL DEVICE FOR DRAINING DEVICEDec 09, 11Sep 19, 13[E03F]
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
8979432 Vortex flow type water surface control device for draining deviceAug 02, 04Mar 17, 15[E03F, B01D]
Expired/Abandoned/Withdrawn Patents
- No Patents to Display
Top Inventors for This Owner
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