Nihon Cement Co., Ltd.
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 10, 1998 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 159 Total Citation Count
- Feb 26, 1980 Earliest Filing
- 18 Expired/Abandoned/Withdrawn Patents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Expired/Abandoned/Withdrawn Patents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
5834106 Ceramic substrate and producing process thereof, and a suction carrier for wafers using a ceramic wafer-chucking substrateExpiredNov 28, 94Nov 10, 98[C04B, B21F, B32B]
5700414 Heat-insulating panel serving as concrete form and method of manufacturing the sameExpiredNov 03, 95Dec 23, 97[B29C]
5660775 Method of treating waste magnetic tapes and method of manufacturing building material boards using the treated materialExpiredAug 28, 95Aug 26, 97[B29C]
5423634 Hydraulic composition and process for producing concrete pile using the sameExpiredMar 19, 93Jun 13, 95[C04B, E03D]
4895814 Process for producing alumina silica sintered ceramics having improved high-temperature strengthExpiredJun 24, 87Jan 23, 90[C04B]
4818511 Process and apparatus for producing non-oxide compoundsExpiredJul 22, 87Apr 04, 89[C01B, B01J]
4483620 Regenerative heating and melting device for recovered asphalt concrete rubbleExpiredNov 29, 83Nov 20, 84[B28C]
4263264 Method of abating nitrogen oxides in combustion waste gasesExpiredFeb 26, 80Apr 21, 81[B01D]
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