7 Utility Patents
#1,714 in Shizuoka
#121,602 in Japan
#597,011 in the World
Forward Citations = 43
Company Filing History:
Kabushikikaisha Matsui Seisakusho

Kyowa Hakko Kogyo Co., Ltd. Kabushiki Kaisha Matsui Seisakusho
where one patent can have more than one assignee
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