6 Utility Patents
#98 in Ageo
#139,490 in Japan
#695,270 in the World
Forward Citations = 88
Company Filing History:
Mitsui Kinzoku Kogyo Kabushiki Kaisha
Mitsui Mining & Smelting Company, Ltd.
Rikagaku Kenkyusho
4. 1 out of 91

5. 1 out of 104
National Research Institute for Metals
where one patent can have more than one assignee
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