20 Utility Patents
#6,978 in Tokyo
#35,749 in Japan
#163,760 in the World
Forward Citations = 295
Company Filing History:
Asahi Kogaku Kogyo Kabushiki Kaisha
Pentax Ricoh Imaging Company, Ltd.
Machida Endoscope Co., Ltd.
4. 1 out of 2,488

5. 1 out of 11
Shiga University of Medical Science
where one patent can have more than one assignee
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