With the analysis among 746 patents, we discovered top 213 key players by total patent application. Fujitsu Ltd., NEC Corp., TOSHIBA Corp. are dominant in this area. They take 22.25% of the total patent filing.  
Tokyo-to, Japan
Patent: 74
Tokyo-to, Japan
Patent: 52
Tokyo-to, Japan
Patent: 40
Matsushita Electronics Corp.
Osaka-fu, Japan
Patent: 35
Tokyo-to, Japan
Patent: 31
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 22
Tokyo-to, Japan
Patent: 19
Nippon Telegraph & Telephone Corp.
Tokyo-to, Japan
Patent: 19
International Business Machines Corp.
New York, United States
Patent: 17
Tokyo-to, Japan
Patent: 14
With the analysis among 3 patents, we discovered top 3 start-ups by total patent application.  
Hangzhou Enokhang Automotive Technology Co Ltd.
Zhejiang Sheng, China
Patent: 1
California, United States
Patent: 1
With the analysis among related 38 patents applied in the last 5 years. We discover 28 most active companies in this area. The fast-growing Microsoft Technology Licensing LLC, Google LLC, Tencent Technology (Shenzhen) Co., Ltd. take 23.68% of patent filing during this period.  
Microsoft Technology Licensing LLC
Washington, United States
Patent: 3
California, United States
Patent: 3
Tencent Technology (Shenzhen) Co., Ltd.
Guangdong Sheng, China
Patent: 3
Ping An Technology (Shenzhen) Co., Ltd.
Guangdong Sheng, China
Patent: 3
OneConnect Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Beijing Jingdong Zhenshi Information Technology Co Ltd
Beijing Shi, China
Patent: 2
Shenzhen Qianhai Webank Co. Ltd.
Guangdong Sheng, China
Patent: 2
Shanghai Jiuyaojiu Information Technology Limited
Shanghai Shi, China
Patent: 1
Fujian Tianquan Education Technology Ltd.
Fujian Sheng, China
Patent: 1
With the analysis among related 38 patents in last 5 years, we discover 19 new entrants. Ping An Technology (Shenzhen) Co., Ltd., OneConnect Technology Co., Ltd., Beijing Jingdong Zhenshi Information Technology Co Ltd are the most active new entrants in this area.  
Ping An Technology (Shenzhen) Co., Ltd.
Guangdong Sheng, China
Patent: 3
OneConnect Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Beijing Jingdong Zhenshi Information Technology Co Ltd
Beijing Shi, China
Patent: 2
Shenzhen Qianhai Webank Co. Ltd.
Guangdong Sheng, China
Patent: 2
Ping An Life Insurance Co. of China Ltd.
Guangdong Sheng, China
Patent: 1
Shanghai Zewei Software System Co. Ltd.
Shanghai Shi, China
Patent: 1
Shanghai Baosight Software Co., Ltd.
Shanghai Shi, China
Patent: 1
Aerospace Science & Industry Inertia Technology Co., Ltd.
Beijing Shi, China
Patent: 1
Shanghai Jiuyaojiu Information Technology Limited
Shanghai Shi, China
Patent: 1
Philip Morris Products SA
With the analysis among 13 patents, we discovered top 6 universities and scientific research institutions by total patent application. Peking University, Tohoku University, Tsinghua University are dominant in this area. They take 23.08% of the total patent filing.  
Beijing Shi, China
Patent: 1
Miyagi-ken, Japan
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Institut National de Recherche en Informatique et Automatique
Zhejiang Sci-Tech University
Zhejiang Sheng, China
Patent: 1