MH

Makoto Hirakawa

Ricoh Company: 3 patents #63 of 950Top 7%
Overall (2024): #75,660 of 561,600Top 15%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12130544 Light-source optical system, light-source device, and image display apparatus Yohei Takano, Kasumi Nakamura 2024-10-29
12072617 Light source optical system, light source device, light source unit, and image display apparatus Yohei Takano, Kasumi Nakamura 2024-08-27
11874592 Light source device and image projection apparatus Kasumi Nakamura, Yohei Takano, Kazuhiro Fujita, Takashi Sasaki, Shigeaki Imai 2024-01-16