HY

Hirotaka Yanagisawa

SE Seiko Epson: 19 patents #952 of 7,774Top 15%
Overall (All Time): #230,421 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12411399 Projection system and projector 2025-09-09
12332414 Attachment optical system and projection display system 2025-06-17
12332415 Attachment optical system and projection display system 2025-06-17
11940664 Lens unit, projection optical system, and projector that accurately keep a thickness of a jointed lens at a desired value 2024-03-26
11892764 Projection system and projector 2024-02-06
11822224 Projection system and projector having deflector and optical element 2023-11-21
11774731 Optical system, projector, and imaging apparatus 2023-10-03
11537031 Optical system, projector, and imaging apparatus 2022-12-27
11385532 Projection system and projector 2022-07-12
11333957 Projection system and projector 2022-05-17
11215908 Lens unit, projection optical system, and projector 2022-01-04
11073749 Projection system, projection-type image display apparatus, and imaging apparatus Eiji Morikuni 2021-07-27
11073753 Projection optical system, projection-type image display device, and imaging device Eiji Morikuni 2021-07-27
11073754 Projection optical system, projection-type image display device, imaging device, and method of manufacturing optical element Eiji Morikuni 2021-07-27
8876302 Projector 2014-11-04
8491131 Projector Kenshi Sakai 2013-07-23
8038325 Method for manufacture of reflecting mirror, reflecting mirror, illumination device, and projector Kazuhiro Nishida 2011-10-18
7988298 Projector having a shifted or rotated optical axis 2011-08-02
6860607 Integrator type illumination optical system and projector having the same 2005-03-01