With the analysis among 100 patents, we discovered top 26 key players by total patent application. Shell Internationale Research Maatschappij BV, Koninklijke Philips NV, PT Bataafse Petroleum Maatschappij are dominant in this area. They take 40.00% of the total patent filing.
Shell Internationale Research Maatschappij BV
Zuid-Holland, Netherlands
Patent: 23
Noord-Holland, Netherlands
Patent: 11
PT Bataafse Petroleum Maatschappij
Jakarta Raya, Indonesia
Patent: 6
Indiana, United States
Patent: 5
Sumitomo Chemical Co., Ltd.
Texas, United States
Patent: 3
Duphar International Research BV
Hokko Chemical Industry Co., Ltd.
Occidental Chemical Corp.
Texas, United States
Patent: 2
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