P

Inventor

YAMAUCHI TSUYOSHI

JP58 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

15 patents

DAINIPPON PRINTING CO LTD

13 patents
US6961159B2Nov 1, 2005

Holographic viewing device, and computer-generated hologram for the same

DAINIPPON PRINTING CO LTD6 citations74
US7706037B2Apr 27, 2010

Fabrication process for cholesteric liquid crystal media having a volume hologram

DAINIPPON PRINTING CO LTD2 citations63
US7545545B2Jun 9, 2009

Fabrication process for cholesteric liquid crystal media having a volume hologram

DAINIPPON PRINTING CO LTD2 citations63
US7719762B2May 18, 2010

Transmitting-reflecting projection screen, and projection system comprising the same

DAINIPPON PRINTING CO LTD6 citations62
US11703798B2Jul 18, 2023

Light modulation element and information recording medium

DAINIPPON PRINTING CO LTD0 citations61
US9383648B2Jul 5, 2016

Anti-counterfeiting marker sheet and manufacturing method therefor, anti-counterfeiting function-imparting member, and article provided with anti-counterfeiting function

DAINIPPON PRINTING CO LTD2 citations61
US12189163B2Jan 7, 2025

Light modulation element and information recording medium

DAINIPPON PRINTING CO LTD0 citations51
US11014390B2May 25, 2021

Luminescent medium and method for reading luminescent medium

DAINIPPON PRINTING CO LTD0 citations51
US10359735B2Jul 23, 2019

Display article

DAINIPPON PRINTING CO LTD0 citations51
US7909364B2Mar 22, 2011

Indicator for indicating authenticity

DAINIPPON PRINTING CO LTD0 citations51
US7839488B2Nov 23, 2010

Optical axis adjustment device and exposure apparatus using the same

DAINIPPON PRINTING CO LTD0 citations51
US7538919B2May 26, 2009

Three-dimensional hologram process with overt anti-counterfeit security using first object light, second object light, and reference light

DAINIPPON PRINTING CO LTD0 citations51
US7372546B2May 13, 2008

Optical axis adjustment device and exposure apparatus using the same

DAINIPPON PRINTING CO LTD0 citations51

YAMAUCHI TSUYOSHI

9 patents

HITACHI ULSI SYS CO LTD

4 patents

CHUGAI PHARMACEUTICAL CO LTD

4 patents

HITACHI LTD

2 patents

SEKINE YOKO

2 patents

TAKAURA NORIKATSU

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.