20 Utility Patents
#58 in Takasaki
#36,470 in Japan
#168,458 in the World
Forward Citations = 181
Company Filing History:

Yuasa Battery Co., Ltd.
Maruzen Oil Co. Ltd.
4. 2 out of 10
Ebara Manufacturing Co., Ltd.
5. 1 out of 2,502

where one patent can have more than one assignee
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