5 Utility Patents
#8,328 in Osaka
#162,524 in Japan
#826,892 in the World
Forward Citations = 205
Company Filing History:
Sakai Chemical Industry Co., Ltd.
Petroleum Energy Center

4. 2 out of 1,037

5. 1 out of 73
Japan As Represented by Director General of Agency of Industrial Science
where one patent can have more than one assignee
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