6 Utility Patents
#452 in Machida
#136,893 in Japan
#669,762 in the World
Forward Citations = 226
Company Filing History:
Yoshino Kogyosho Co., Ltd.
Nishiei Bussan Co., Ltd.
4. 1 out of 3
Nichi-ei Bussan Co., Ltd.
where one patent can have more than one assignee
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