Sumitomo Cement Co., Ltd.
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 28, 1997 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 710 Total Citation Count
- Mar 27, 1980 Earliest Filing
- 24 Expired/Abandoned/Withdrawn Patents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Expired/Abandoned/Withdrawn Patents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
5600485 Optical pattern recognition system method of ferroelectric liquid crystal spatial light modulatorExpiredJul 28, 94Feb 04, 97[G02B, G06F, G06K]
5359690 Cutting method and apparatus for removing a secondary coating layer from a jacketed optical fiberExpiredAug 17, 93Oct 25, 94[B26D, G02B, H02G, B26F]
5248486 Device, agent and process for medical waste sterilizationExpiredNov 30, 92Sep 28, 93[C09K, F24J, A61L]
5239595 Optical method for identifying or recognizing a pattern to be identifiedExpiredNov 20, 90Aug 24, 93[G06K]
5216541 Optical associative identifier with real time joint transform correlatorExpiredMay 08, 90Jun 01, 93[G02B, G06K]
5141510 Structure of artificial bone material for use in implantationExpiredFeb 14, 90Aug 25, 92[A61F, A61C]
5094985 Sintered silicon carbide body with high thermal conductivity and process of producing the sameExpiredNov 06, 89Mar 10, 92[C04B]
5093039 Highly pure sintered carbide with high electric conductivity and process of producing the sameExpiredNov 06, 89Mar 03, 92[C04B, H01B]
5051650 Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the sameExpiredFeb 14, 90Sep 24, 91[H01J]
4996177 Sintered alumina article with high flexural strength and process for producing sameExpiredJul 22, 88Feb 26, 91[C04B]
4976806 Bonding composition for ceramics comprising metal oxide melt and method for bonding ceramicsExpiredJul 29, 87Dec 11, 90[C09J]
4952454 Bonding composition for ceramics comprising metal oxide melt and method for bonding ceramicsExpiredJun 16, 88Aug 28, 90[B32B]
4844340 Method and apparatus for spraying an inorganic hydraulic material composition containing reinforcing short fibersExpiredJul 21, 87Jul 04, 89[E04G]
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