38 Utility Patents
#2,763 in Tokyo
#12,724 in Japan
#60,014 in the World
Forward Citations = 325
Company Filing History:
Other
Kabushiki Kaisha Watanabe Shoko
Wacom R&d Corporation
4. 4 out of 1,673

5. 2 out of 27
Tadahiro Ohmi
where one patent can have more than one assignee
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