YT

Yohei Takano

Ricoh Company: 6 patents #17 of 950Top 2%
Overall (2024): #20,542 of 561,600Top 4%
6
Patents 2024

Issued Patents 2024

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12130544 Light-source optical system, light-source device, and image display apparatus Kasumi Nakamura, Makoto Hirakawa 2024-10-29
12114106 Light-source device and image forming apparatus including same Kazuhiro Fujita, Kasumi Nakamura 2024-10-08
12072617 Light source optical system, light source device, light source unit, and image display apparatus Makoto Hirakawa, Kasumi Nakamura 2024-08-27
12066752 Light-source device, image projection apparatus, and light-source optical system Kazuhiro Fujita, Kasumi Nakamura 2024-08-20
11953816 Wavelength conversion plate, light source device, and image projection apparatus Kazuhiro Fujita, Kasumi Nakamura 2024-04-09
11874592 Light source device and image projection apparatus Kasumi Nakamura, Kazuhiro Fujita, Takashi Sasaki, Shigeaki Imai, Makoto Hirakawa 2024-01-16