With the analysis among 43 patents, we discovered top 19 key players by total patent application. Seiko Epson Corp., Bayer AG, Brother Industries, Ltd. are dominant in this area. They take 37.21% of the total patent filing.
Nagano-ken, Japan
Patent: 8
Nordrhein-Westfalen, Germany
Patent: 4
Aichi-ken, Japan
Patent: 4
Pelikan Hardcopy Production AG
ZURICH, Switzerland
Patent: 4
Ohio, United States
Patent: 3
California, United States
Patent: 3
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