OY

Osamu Yokoyama

SE Seiko Epson: 2 patents #147 of 926Top 20%
TL Tokyo Electron Limited: 1 patents #256 of 785Top 35%
Overall (2025): #50,748 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12347676 Substrate processing method and substrate processing system Yuichiro WAGATSUMA, Masahisa Watanabe, Mayuko NAKAMURA, Takashi Sakuma, Kwangpyo Choi 2025-07-01
12298502 Virtual image display device 2025-05-13
12222509 Light flux diameter expanding element and image display device 2025-02-11