39 Utility Patents
#86 in Kariya
#12,570 in Japan
#59,737 in the World
Forward Citations = 115
Company Filing History:

Toshiba Ceramics Co., Ltd.
Covalent Materials Corporation
4. 1 out of 21,756

5. 1 out of 929
Sumitomo Metal Industries, Inc.
where one patent can have more than one assignee
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