3 Utility Patents
#156 in Kawaguchi
#236,734 in Japan
Forward Citations = 12
Company Filing History:
Nihon Beru-haueru Kabushiki Kaisha (bell and Howell Japan, Ltd.)
Nihon Beru-haueru Kabushiki Kaisha
Bell & Howell Japan, Ltd.
where one patent can have more than one assignee
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