22 Utility Patents
#122 in Tsukuba
#30,949 in Japan
#141,009 in the World
Forward Citations = 258
Company Filing History:

Mitsubishi Kinzoku Kabushiki Kaisha

4. 1 out of 8
Mitsubishi Materials Kobe Tools Corporation
5. 1 out of 2
Ryoco Seiki Co., Ltd.
where one patent can have more than one assignee
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