Company Filing History:

5 out of 2,606

Ngk Spark Plug Company, Limited

patents

Years Active: 1987-1991

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4997798 - Process for producing aluminum nitride sintered body with high thermal (1991-03-05),

2. 4961987 - Aluminum nitride sintered body with high thermal conductivity and (1990-10-09),

3. 4877760 - Aluminum nitride sintered body with high thermal conductivity and (1989-10-31),

4. 4800137 - Composite layer aluminum nitride base sintered body (1989-01-24),

5. 4695517 - Composite layer aluminum nitride base sintered body (1987-09-22),

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Kazuhiko Ikoma

Company Filing History:

Years Active: 1987-1991