Inventor
IWAMA YUICHIRO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “IWAMA YUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
11 patentsUS11022869B2Jun 1, 2021
Light source apparatus and projector
SEIKO EPSON CORP3 citations71
US11953818B2Apr 9, 2024
Light source apparatus and projector
SEIKO EPSON CORP2 citations70
US10925127B2Feb 16, 2021
Discharge lamp drive device, light source device, projector, and discharge lamp drive method
SEIKO EPSON CORP0 citations62
US10746931B2Aug 18, 2020
Light source device and projector
SEIKO EPSON CORP1 citations62
US11669006B2Jun 6, 2023
Light guiding unit, light source apparatus, and projector
SEIKO EPSON CORP1 citations61
US11187970B2Nov 30, 2021
Light source apparatus having side by side light guide and wavelength converter
SEIKO EPSON CORP1 citations61
US12455411B2Oct 28, 2025
Light source device and projector
SEIKO EPSON CORP0 citations50
US12393111B2Aug 19, 2025
Light source device and projector
SEIKO EPSON CORP0 citations50
US12352998B2Jul 8, 2025
Light source device and projector
SEIKO EPSON CORP0 citations50
US12549693B2Feb 10, 2026
Light source apparatus and projector
SEIKO EPSON CORP0 citations49
US9507247B2Nov 29, 2016
Projector
SEIKO EPSON CORP0 citations40