P

Inventor

IGARASHI NORIKAZU

JP10 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI NORIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH CO LTD

3 patents
US11143870B2Oct 12, 2021

Display apparatus and display method

RICOH CO LTD0 citations60
US11960096B2Apr 16, 2024

Head-mounted display device containing relay optical system between image display unit and light guide member and display system

RICOH CO LTD0 citations51
US11656461B2May 23, 2023

Head-mounted display device with adjuster

RICOH CO LTD0 citations50

NAKAMURA NAOKI

3 patents
US12449582B2Oct 21, 2025

Light guide and virtual-image display device

NAKAMURA NAOKI0 citations50
US12265225B2Apr 1, 2025

Light guide member and display device

NAKAMURA NAOKI0 citations50
US12099207B2Sep 24, 2024

Virtual image display device

NAKAMURA NAOKI0 citations50

IGARASHI NORIKAZU

2 patents
US9020406B2Apr 28, 2015

Image forming apparatus and method of correcting color registration error

IGARASHI NORIKAZU3 citations58
US8862002B2Oct 14, 2014

Image forming apparatus and method

IGARASHI NORIKAZU2 citations58

SUDOH YOSHIFUMI

1 patent
US12181673B2Dec 31, 2024

Propagation optical system and virtual image display device

SUDOH YOSHIFUMI0 citations50

GOTOH YUUTO

1 patent
US10670421B2Jun 2, 2020

Apparatus, system, and method of information sharing, and recording medium

GOTOH YUUTO0 citations32