With the analysis among 61 patents, we discovered top 33 key players by total patent application. Nippon Shinpan Co. Ltd., Siemens AG, Hitachi Ltd. are dominant in this area. They take 19.67% of the total patent filing.
California, United States
Patent: 2
Washington, United States
Patent: 2
International Business Machines Corp.
New York, United States
Patent: 1
No data, please try another search term
With the analysis among related 1 patents applied in the last 5 years. We discover 1 most active companies in this area.
California, United States
Patent: 1
No data, please try another search term
No data, please try another search term