31 Utility Patents
#1,386 in Yokohama
#18,671 in Japan
#87,320 in the World
Forward Citations = 285
Company Filing History:

Shibaura Mechatronics Corporation
Chlorine Engineers Corp., Ltd.
4. 3 out of 150
Permelec Electrode Ltd.
5. 3 out of 193

where one patent can have more than one assignee
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