Inventor
KAGOTANI AKIHITO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “KAGOTANI AKIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPPAN PRINTING CO LTD
15 patentsUS10895672B2Jan 19, 2021
Optical element, optical element device and optical element control system
TOPPAN PRINTING CO LTD2 citations71
US11373344B2Jun 28, 2022
Optical film
TOPPAN PRINTING CO LTD1 citations62
US11951760B2Apr 9, 2024
Information display medium and manufacturing method relating thereto
TOPPAN PRINTING CO LTD0 citations61
US11584151B2Feb 21, 2023
Information display medium and manufacturing method relating thereto
TOPPAN PRINTING CO LTD0 citations61
US11247505B2Feb 15, 2022
Optical structure and authentication body
TOPPAN PRINTING CO LTD0 citations61
US10948876B2Mar 16, 2021
Optical film with recording surface, and display body including optical film
TOPPAN PRINTING CO LTD1 citations61
US11893432B2Feb 6, 2024
Authentication medium, authentication medium manufacturing method, authentication medium reading method, and authentication medium verification method
TOPPAN PRINTING CO LTD0 citations60
US11662689B2May 30, 2023
Hologram, detection device, and method for verifying authenticity of hologram
TOPPAN PRINTING CO LTD0 citations56
US11573527B2Feb 7, 2023
Calculation method, recording method, optical film, and phase modulation structure
TOPPAN PRINTING CO LTD0 citations50
US10944735B2Mar 9, 2021
Authentication device, server computer, authentication method, mobile terminal with camera, and code label
TOPPAN PRINTING CO LTD0 citations50
US11511558B2Nov 29, 2022
Optical element, transfer foil, authentication medium, and method of verifying authentication medium
TOPPAN PRINTING CO LTD0 citations47
US9763288B2Sep 12, 2017
EL panel, and illumination device and display device using the same
TOPPAN PRINTING CO LTD0 citations45
US11356649B2Jun 7, 2022
Integrated three dimensional display and method of recording identification information
TOPPAN PRINTING CO LTD0 citations44
US10651415B2May 12, 2020
Organic EL (electroluminescent) device
TOPPAN PRINTING CO LTD0 citations41
US10763456B2Sep 1, 2020
EL device use front plate and lighting device
TOPPAN PRINTING CO LTD0 citations40
TOPPAN INC
4 patentsUS11977938B2May 7, 2024
Color display, authentication medium, and method of determining authenticity of color display
TOPPAN INC2 citations70
US12461488B2Nov 4, 2025
Optical identifier and printed matter
TOPPAN INC0 citations51
US12288120B2Apr 29, 2025
Method for manufacturing display body, display body, and method for verifying authenticity of display body
TOPPAN INC0 citations50
US11741327B2Aug 29, 2023
Optical assembly and method of producing optical assembly
TOPPAN INC0 citations50