24 Utility Patents
#5,708 in Tokyo
#28,034 in Japan
#129,882 in the World
Forward Citations = 483
Company Filing History:

Yokogawa Hokushin Electric Corp.
Yokogawa Medical Systems, Limited
4. 4 out of 6
Optical Measurement Technology Development Co., Ltd.
5. 1 out of 4
Teratec Corporation
where one patent can have more than one assignee
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