48 Utility Patents
#1 in Aikawa
#8,171 in Japan
#39,993 in the World
Forward Citations = 475
Company Filing History:
Nhk Spring Co., Ltd.
Fuji Jukogyo Kabushiki Kaisha
Nkh Spring Co., Ltd.
4. 1 out of 10
Matsushita Reiki Company, Limited
where one patent can have more than one assignee
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