25 Utility Patents
#5,275 in Tokyo
#25,998 in Japan
#120,491 in the World
Forward Citations = 308
Company Filing History:

Babcock-hitachi Kabushiki Kaisha
Other
4. 3 out of 3
Mitsui Sekitan Kogyo Kabushiki Kaisha
5. 2 out of 487
Nippon Kokan Kabushiki Kaisha
where one patent can have more than one assignee
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