With the analysis among 88 patents, we discovered top 29 key players by total patent application. Sakura Color Products Corp., Kuretake Co. Ltd., J. S. Staedtler GmbH & Co. KG are dominant in this area. They take 30.68% of the total patent filing.
Osaka-fu, Japan
Patent: 11
Kochi-ken, Japan
Patent: 3
Nagano-ken, Japan
Patent: 1
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With the analysis among related 5 patents applied in the last 5 years. We discover 3 most active companies in this area.
With the analysis among related 5 patents in last 5 years, we discover 2 new entrants.
With the analysis among 8 patents, we discovered top 1 universities and scientific research institutions by total patent application.
New Hampshire, United States
Patent: 6