12 Utility Patents
#13,273 in Tokyo
#69,724 in Japan
#326,972 in the World
Forward Citations = 44
Company Filing History:
N.e. Chemcat Corporation


4. 2 out of 45
Niigata Engineering Co., Ltd.
5. 1 out of 3
Advanced Industrial Science and Technology
where one patent can have more than one assignee
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