9 Utility Patents
#29 in Koshigaya
#95,491 in Japan
#457,239 in the World
Forward Citations = 96
Company Filing History:



4. 1 out of 1
Director-general, Ship Research Institute, Ministry of Trans
5. 1 out of 1
Director-general, Ship Research Institue, Ministry of Trans
where one patent can have more than one assignee
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