8 Utility Patents
#5,902 in Yokohama
#106,282 in Japan
#511,740 in the World
Forward Citations = 197
Company Filing History:

Kabushiki Kaisya Advance Kaihatsu Kenkyujo
Pumpkin House Incorporated
4. 1 out of 66

5. 1 out of 11
Sokkisha Co., Ltd.
where one patent can have more than one assignee
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