With the analysis among 67 patents, we discovered top 19 key players by total patent application. Ricoh Co., Ltd., Mitsubishi Paper Mills Ltd., Hodogaya Chemical Co., Ltd. are dominant in this area. They take 55.22% of the total patent filing.
Tokyo-to, Japan
Patent: 18
Tokyo-to, Japan
Patent: 13
New Jersey, United States
Patent: 2
New Jersey, United States
Patent: 2
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With the analysis among related 1 patents applied in the last 5 years. We discover 1 most active companies in this area.
Shanghai Shi, China
Patent: 1
With the analysis among related 1 patents in last 5 years, we discover 1 new entrants.
Shanghai Shi, China
Patent: 1
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