6 Utility Patents
#198 in Obu
#139,646 in Japan
#696,408 in the World
Forward Citations = 138
Company Filing History:
Aisan Kogyo Kabushiki Kaisha

Citizen Tokei Kabushiki Kaisha
4. 1 out of 1
Miyama Seiko Kabushiki Kaisha
where one patent can have more than one assignee
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