PEARL KOGYO CO., LTD.
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 08, 2015 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 45 Total Citation Count
- Jul 11, 2001 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents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
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2008/0128,087 HIGH FREQUENCY POWER SUPPLY DEVICE AND HIGH FREQUENCY POWER SUPPLYING METHODAbandonedNov 21, 07Jun 05, 08[B05C, H02M, C23F]
2007/0175,747 Plasma processing method and apparatus thereofAbandonedAug 30, 04Aug 02, 07[H05F, B01J]
7132040 Matching unit for semiconductor plasma processing apparatusExpiredMar 02, 04Nov 07, 06[C23C]
2005/0121,305 Plasma surface treating method and apparatus thereforAbandonedAug 16, 04Jun 09, 05[B01J]
Top Inventors for This Owner
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