46 Utility and 3 Design Patents
#2,017 in Tokyo
#9,084 in Japan
#44,450 in the World
rank by utility patentsForward Citations = 731
Company Filing History:

Ebara Research Co., Ltd.

4. 2 out of 2
National Aerospace Laboratory
5. 1 out of 10,207

where one patent can have more than one assignee
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