Inventor
HANASHIMA NAOKI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “HANASHIMA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEXERIALS CORP
18 patentsUS11125413B2Sep 21, 2021
Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device
DEXERIALS CORP2 citations73
US11002993B2May 11, 2021
Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method
DEXERIALS CORP2 citations73
US10599022B2Mar 24, 2020
Diffuser plate, display device, projection device, and lighting device
DEXERIALS CORP3 citations73
US9594275B2Mar 14, 2017
Retardation element, liquid crystal display device, and projection display device
DEXERIALS CORP2 citations73
US11960103B2Apr 16, 2024
Micro-lens array, projection type image display device, method for designing micro-lens array, and method for manufacturing micro-lens array
DEXERIALS CORP2 citations71
US11841560B2Dec 12, 2023
Depolarizing plate
DEXERIALS CORP0 citations62
US11592156B2Feb 28, 2023
Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device
DEXERIALS CORP0 citations62
US11287693B2Mar 29, 2022
Optical body, method for manufacturing optical body, light-emitting apparatus, and display apparatus for amusement equipment
DEXERIALS CORP0 citations62
US11243429B2Feb 8, 2022
Optical body, method for manufacturing optical body, light-emitting apparatus, and image display apparatus
DEXERIALS CORP0 citations62
US10656318B2May 19, 2020
Optical body and light emitting device
DEXERIALS CORP1 citations62
US12360293B2Jul 15, 2025
Micro-lens array, projection type image display device, method for designing micro-lens array, and method for manufacturing micro-lens array
DEXERIALS CORP0 citations60
US12510700B2Dec 30, 2025
Polarization element, method of manufacturing polarization element, and head-up display apparatus
DEXERIALS CORP0 citations52
US11971569B2Apr 30, 2024
Optical body and light emitting device
DEXERIALS CORP0 citations51
US11693157B2Jul 4, 2023
Fine concave-convex laminate and production method therefor, and camera module-mounted device
DEXERIALS CORP0 citations51
US10732341B2Aug 4, 2020
Optical body, method for manufacturing optical body, and light-emitting apparatus
DEXERIALS CORP0 citations51
US11353635B2Jun 7, 2022
Diffuser plate, designing method of diffuser plate, display device, projection device, and lighting device
DEXERIALS CORP0 citations50
US12061348B2Aug 13, 2024
Diffusion plate and optical device
DEXERIALS CORP0 citations49
US10295716B2May 21, 2019
Inorganic polarizing plate and production method thereof
DEXERIALS CORP0 citations42
TDK CORP
13 patentsUS7538978B2May 26, 2009
Heat assisted magnetic recording head and heat assisted magnetic recording apparatus for heating a recording region in a magnetic recording medium during magnetic recording
TDK CORP84 citations98
US5245471ASep 14, 1993
Polarizers, polarizer-equipped optical elements, and method of manufacturing the same
TDK CORP128 citations97
US7221826B2May 22, 2007
Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer
TDK CORP31 citations90
US7068864B2Jun 27, 2006
Waveguide-embedded optical circuit and optical functional element used therein
TDK CORP15 citations83
US7236668B2Jun 26, 2007
Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer
TDK CORP12 citations82
US6823118B2Nov 23, 2004
Optical branching circuit and device
TDK CORP7 citations74
US7048451B2May 23, 2006
Optical transceiver and optical module used in the same
TDK CORP8 citations72
US7403716B2Jul 22, 2008
Optical module for bi-directional communication system
TDK CORP4 citations61
US7125174B2Oct 24, 2006
Optical module for bi-directional communication system
TDK CORP3 citations61
US7286741B2Oct 23, 2007
Silica optical waveguide and method of manufacturing the same
TDK CORP2 citations60
US7027702B2Apr 11, 2006
Optical waveguide
TDK CORP4 citations60
US6845196B2Jan 18, 2005
Optical branching device
TDK CORP0 citations51
US7106937B2Sep 12, 2006
Optical waveguide and method of fabricating the same
TDK CORP0 citations50