YS

Yukio Sekine

KC Kantatsu Co.: 32 patents #8 of 32Top 25%
TC Tokyo Visionary Optics Co.: 25 patents #3 of 21Top 15%
NC Nkk Co.: 2 patents #309 of 1,173Top 30%
OL Optical Logic: 1 patents #10 of 10Top 100%
YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
Overall (All Time): #36,627 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDate
12379577 Imaging lens Koki Tokuno 2025-08-05
12050307 Imaging lens including seven lenses of ++−++−− or ++−+++− refractive powers Ruidong Yang 2024-07-30
12025780 Imaging lens Koki Tokuno, Zhiyu HUANG 2024-07-02
11988820 Imaging lens Koki Tokuno, Zhiyu HUANG 2024-05-21
11899174 Imaging lens 2024-02-13
11899173 Imaging lens 2024-02-13
11874440 Imaging lens 2024-01-16
11874433 Imaging lens 2024-01-16
11796766 Imaging lens 2023-10-24
11754813 Imaging lens Masaya Hashimoto 2023-09-12
11754814 Imaging lens Masaya Hashimoto 2023-09-12
11675162 Imaging lens Koji Nitta, Masaya Hashimoto 2023-06-13
11668897 Imaging lens Kenichi Kamada 2023-06-06
11668901 Imaging lens Koji Nitta, Masaya Hashimoto 2023-06-06
11467383 Imaging lens 2022-10-11
11422337 Imaging lens 2022-08-23
11422338 Imaging lens 2022-08-23
11391914 Imaging lens 2022-07-19
11294147 Imaging lens Kenichi Kamada, Koji Nitta 2022-04-05
11287617 Imaging lens 2022-03-29
11275231 Imaging lens Kenichi Kamada, Koji Nitta 2022-03-15
11262557 Imaging lens 2022-03-01
11249287 Imaging lens 2022-02-15
11215801 Imaging lens 2022-01-04
11150445 Imaging lens 2021-10-19