9 Utility Patents
#593 in Sakai
#93,484 in Japan
#439,533 in the World
Forward Citations = 19
Company Filing History:
Lignyte Co., Ltd.
Other
Nippon Pillar Packing Co., Ltd.
4. 1 out of 7
Maeda Shell Service Co., Ltd.
5. 1 out of 23

where one patent can have more than one assignee
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