With the analysis among 7,225 patents, we discovered top 303 key players by total patent application. Philip Morris USA, Inc., Japan Tobacco, Inc., China Tobacco Yunnan Industrial Co. Ltd. are dominant in this area. They take 13.83% of the total patent filing.
With the analysis among related 1,641 patents applied in the last 5 years. We discover 131 most active companies in this area. The fast-growing China Tobacco Yunnan Industrial Co. Ltd., China Tobacco Henan Industrial Co. Ltd., China Tobacco Hubei Industrial Co., Ltd. take 20.23% of patent filing during this period.
With the analysis among related 1,641 patents in last 5 years, we discover 61 new entrants. Shenzhen Tobacco Industry Co., Ltd., Zhuhai Cellulose Fibers Co., Ltd., Henan Agricultural University are the most active new entrants in this area.
With the analysis among 374 patents, we discovered top 69 universities and scientific research institutions by total patent application. Kunming University of Science & Technology, Zhejiang University, Wuhan Textile University are dominant in this area. They take 11.76% of the total patent filing.