5 Utility Patents
#289 in Toyohashi
#162,692 in Japan
#828,843 in the World
Forward Citations = 98
Company Filing History:
Other

Itoh Optical Industrial Co., Ltd.
4. 1 out of 10,239

5. 1 out of 105
Toyo Ink Mfg. Co., Ltd.
where one patent can have more than one assignee
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