19 Utility Patents
#7,602 in Tokyo
#38,852 in Japan
#179,253 in the World
Forward Citations = 171
Company Filing History:
Other
Kabushiki Kaisha Watanabe Shoko

4. 3 out of 6
Wacom R&d Corporation
5. 3 out of 1,201
Wacom Co., Ltd.
where one patent can have more than one assignee
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