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USPTO Patent Rankings Data through Sept 30, 2025
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Eisuke SAKAI — 4 Patents in 2021

Sony: 4 patents #270 of 3,148Top 9%
Overall (2021): #50,872 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11039455 Wireless communication device and method of wireless communication for improving the utilization efficiency of radio resources Masahito Mori, Yuichi Morioka, Takeshi Itagaki 2021-06-15
10992421 Information processing apparatus, communication system, information processing method and program Shigeru Sugaya 2021-04-27
10939252 Wireless communication apparatus, wireless communication method, and program for using a threshold to control multicast retransmission Takeshi Itagaki 2021-03-02
10887121 Communication device and communication method Yuichi Morioka 2021-01-05