Assignee
SUMITOMO METAL CERAMICS INC
JP·10 granted patents·276 citations·filing 1990–1996
Top patents by PatentIndex Score
10 records- 0173US5456778AMethod of fabricating ceramic circuit substrateSUMITOMO METAL CERAMICS INC·Filed 1993·Granted Oct 10, 1995·51 cites·10 claims
- 0271US5156903AMultilayer ceramic substrate and manufacture thereofSUMITOMO METAL CERAMICS INC·Filed 1990·Granted Oct 20, 1992·38 cites·8 claims
- 0366US5414300ALid for semiconductor package and package having the lidSUMITOMO METAL CERAMICS INC·Filed 1994·Granted May 9, 1995·37 cites·4 claims
- 0462US5470412AProcess for producing a circuit substrateSUMITOMO METAL CERAMICS INC·Filed 1993·Granted Nov 28, 1995·31 cites·24 claims
- 0561US5627344AMultilayer ceramic circuit substrate, process for producing the same, and electrically conductive material for use in multilayer ceramic circuit substrateSUMITOMO METAL CERAMICS INC·Filed 1994·Granted May 6, 1997·26 cites·6 claims
- 0660US5543661ASemiconductor ceramic package with terminal viasSUMITOMO METAL CERAMICS INC·Filed 1995·Granted Aug 6, 1996·38 cites·11 claims
- 0757US5597644ACeramic circuit board and process for producing sameSUMITOMO METAL CERAMICS INC·Filed 1995·Granted Jan 28, 1997·23 cites·18 claims
- 0851US5665459ALow-temperature fired ceramic circuit substrate and thick-film paste for use in fabrication thereofSUMITOMO METAL CERAMICS INC·Filed 1996·Granted Sep 9, 1997·15 cites·4 claims
- 0935US5459113AAluminum nitride powder capable of forming colored sintered body and process for preparing sameSUMITOMO METAL CERAMICS INC·Filed 1994·Granted Oct 17, 1995·6 cites·6 claims
- 1026US5397918ACeramic package for housing a semiconductor deviceSUMITOMO METAL CERAMICS INC·Filed 1992·Granted Mar 14, 1995·11 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when SUMITOMO METAL CERAMICS INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →