12 Utility Patents
#12,982 in Tokyo
#68,996 in Japan
#321,744 in the World
Forward Citations = 109
Company Filing History:
Osaka Yuki Kagaku Kogyo Kabushiki Kaisha
Oosaka Yuuki Kagaku Kogyo Kabushiki Kaisha

4. 2 out of 16
Mitsui Kensetsu Kabushiki Kaisha
5. 2 out of 2
Shiiai Kemutekku Kabushiki Kaisha
where one patent can have more than one assignee
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