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Home › 2021 › Nec › Ken Sumiyoshi

Ken Sumiyoshi — 1 Patent in 2021

TJTianma Japan: 1 patents #15 of 27Top 60%

Yokohama, JP: #2,634 of 6,509 inventorsTop 45%

Overall (2021): #374,517 of 548,734Top 70%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11086185	Light beam direction control element, display device, and manufacturing method for light beam direction control element	Kunihiro Shiota, Takumi Usukura	2021-08-10

Ken Sumiyoshi — 1 Patent in 2021

Issued Patents 2021

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