2 Utility Patents
#50,570 in Tokyo
#301,586 in Japan
Forward Citations = 50
Company Filing History:

Tateyama Aruminiumu Kogyo Kabushiki Kaisha
Kabushiki Kaisha Azusa Sekkei
4. 1 out of 1
Kabushiki Kaisha Nihon Sekkei
where one patent can have more than one assignee
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