MH

Makoto Hirakawa

Ricoh Company: 8 patents #6 of 982Top 1%
TC Toagosei Co.: 1 patents #3 of 32Top 10%
Overall (2023): #9,862 of 537,848Top 2%
9
Patents 2023

Issued Patents 2023

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11829058 Light source device and image projection apparatus including a rod integrator and light guide Kasumi Nakamura, Yohei Takano, Tatsuya Takahashi 2023-11-28
11822076 Image display device, image projection device, and moving body Daisuke Ichii 2023-11-21
11812201 Light guide optical device, light source device, and image projection apparatus Takashi Sasaki, Yohei Takano, Kasumi Nakamura, Kazuhiro Fujita, Shigeaki Imai 2023-11-07
11762272 Light-source device and image projection apparatus Kasumi Nakamura, Yohei Takano, Kazuhiro Fujita 2023-09-19
11720010 Light source device and projection device Kazuhiro Fujita, Yohei Takano, Shigeaki Imai 2023-08-08
11669004 Light source optical system, light source device, light source unit, and image display apparatus Yohei Takano, Kasumi Nakamura 2023-06-06
11630288 Image projection apparatus Yohei Takano, Shigeaki Imai, Kazuhiro Fujita 2023-04-18
11624009 Adhesive composition, and coverlay film, bonding sheet, copper-clad laminate and electromagnetic shielding material, each using said adhesive composition Masashi Yamada 2023-04-11
11567314 Image display apparatus and mobile apparatus 2023-01-31