18 Utility Patents
#19 in Urawa
#41,920 in Japan
#194,396 in the World
Forward Citations = 150
Company Filing History:

Mitsubishi Materials Silicon Corporation
Mitsubishi Kinzoku Kabushiki Kaisha
4. 1 out of 2
Mitsubishi Materials Quartz Corporation
5. 1 out of 25
Zag Ltd.
where one patent can have more than one assignee
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