With the analysis among 118 patents, we discovered top 35 key players by total patent application. NEC Corp., Oji Paper Co. Ltd., Seiko Instruments, Inc. are dominant in this area. They take 30.51% of the total patent filing.
Tokyo-to, Japan
Patent: 16
Tokyo-to, Japan
Patent: 11
Chiba-ken, Japan
Patent: 9
Saitama-ken, Japan
Patent: 5
Texas, United States
Patent: 4
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