Inventor

HARA HISAYA

JP4 patents

⚠️ This page may combine multiple inventors who share the name “HARA HISAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY GROUP CORP

2 patents

US12094507B2Sep 17, 2024

Hologram recording composition, hologram recording medium, diffraction optical element, and optical device, optical component, and image display device using diffraction optical element

SONY GROUP CORP0 citations56

US12371521B2Jul 29, 2025

Photosensitive composition, hologram recording medium using the same, hologram optical element, and method of forming hologram diffraction grating

SONY GROUP CORP0 citations55

SONY CORP

2 patents

US11427656B2Aug 30, 2022

Photosensitive composition for hologram recording, hologram recording medium, and hologram

SONY CORP1 citations53

US10444626B2Oct 15, 2019

Hologram recording composition, hologram recording medium, and method of producing hologram recording medium

SONY CORP0 citations33