53 Utility Patents
#23 in Hirakata
#6,774 in Japan
#34,000 in the World
Forward Citations = 762
Company Filing History:



4. 1 out of 46
Showa Shell Sekiyu K.k.
5. 1 out of 115
Matsushita Electrical Industrial Co., Ltd.
where one patent can have more than one assignee
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