OHTOMO CHEMICAL IND., CORP.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 29, 2003 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 57 Total Citation Count
- Oct 23, 1995 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents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
Patent #
Title
Filing Date
Issue Date
Intl Class
6221814 Aqueous compositions, aqueous cutting fluid using the same, method for preparation thereof, and cutting method using the cutting fluidNov 12, 99Apr 24, 01[C10M]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2003/0100,455 Aqueous grinding fluid for wire-sawing or band-sawingAbandonedMay 12, 00May 29, 03[C10M]
6422067 Slurry useful for wire-saw slicing and evaluation of slurryExpiredAug 11, 00Jul 23, 02[G01N, B23D]
6001265 Recovery of coolant and abrasive grains used in slicing semiconductor wafersExpiredFeb 14, 97Dec 14, 99[B01D]
5693596 Cutting fluid, method for production thereof, and method for cutting ingotExpiredOct 23, 95Dec 02, 97[C10M]
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