11 Utility Patents
#4,499 in Yokohama
#76,955 in Japan
#363,101 in the World
Forward Citations = 69
Company Filing History:



4. 1 out of 546
Mitsubishi Petrochemical Company Limited
5. 1 out of 37
Sanraku-ocean Co., Ltd.
where one patent can have more than one assignee
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