35 Utility Patents
#1 in Oharai
#14,890 in Japan
#69,651 in the World
Forward Citations = 436
Company Filing History:

The Foundation: the Research Institute for Special Inorganic Materials

4. 3 out of 830,757 patents
Other
5. 3 out of 41
Nippon Carbon Co., Ltd.
where one patent can have more than one assignee
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