Kabushiki Kaisha Kouransha
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 14, 1995 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 83 Total Citation Count
- May 19, 1988 Earliest Filing
- 3 Expired/Abandoned/Withdrawn Patents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Expired/Abandoned/Withdrawn Patents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
5466917 Microwave-absorptive heat-generating body and method for forming a heat-generating layer in a microwave-absorptive heat-generating bodyExpiredFeb 25, 93Nov 14, 95[H05B]
5308044 Boron nitride ceramics and molten metal container provided with members made of the same ceramicsExpiredAug 14, 91May 03, 94[C21D]
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