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Top 5 Key Players companies in Culex
by Highest Patent Value in the Japan in 2021

The Culex top 5 is Discovery PatSnap’ annual ranking of the top 5 Highest Patent Value Culex Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Culex is a genus of mosquitoes, several species of which serve as vectors of one or more important diseases of birds, humans, and other animals. The diseases they vector include arbovirus infections such as West Nile virus, Japanese encephalitis, or St. Louis encephalitis, but also filariasis and avian malaria. They occur worldwide except for the extreme northern parts of the temperate zone, and are the most common form of mosquito encountered in some major U.S. cities, such as Los Angeles.
#
Company Name
Region
Tech Topics
Total
1
Sumitomo Chemical Co., Ltd.
Petrochemical,Agriculture,Pesticide,
...[+2]
Avg patent value: 2.34 M
2
Central Glass Co., Ltd.
Glazing,Fine chemical,Chemical engineering,
...[+2]
Avg patent value: 0
3
Sumitomo Pharma Co., Ltd.
Medicine,Health care,Clinical trial,
...[+2]
Avg patent value: 0
4
Otsuka Chemical Co., Ltd.
Chemical engineering,Foaming agent,Bromide
Avg patent value: 0
5
Sumitomo Pharmaceuticals Co., Ltd.
Botanical drug,Herb
Avg patent value: 0
Page generation time: Jul 19 2025