57 Utility Patents
#61 in Hyogo
#5,844 in Japan
#29,641 in the World
Forward Citations = 1,460
Company Filing History:



4. 2 out of 4
Kozo Iizuka, Director General, Agency of Industrial Science and
5. 1 out of 831,952 patents
Other
where one patent can have more than one assignee
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