17 Utility Patents
#8,871 in Tokyo
#45,370 in Japan
#210,841 in the World
Forward Citations = 151
Company Filing History:
Yamatoya & Co., Ltd
Other
Tokai Shinei Electronics Inidustry Co., Ltd
4. 1 out of 1
Yamatoyo & Co., Ltd.
5. 1 out of 1
Yamotoya & Co., Ltd.
where one patent can have more than one assignee
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