Inventor

ISHIMARU YOSHIKO

JP4 patents

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

OHKUMA SATOSHI

1 patent

US8269921B2Sep 18, 2012

Liquid crystal display device and color filter for liquid crystal display device

OHKUMA SATOSHI5 citations54

ISHIMARU YOSHIKO

1 patent

US8130342B2Mar 6, 2012

Liquid crystal display device and color filter for liquid crystal display device

ISHIMARU YOSHIKO2 citations54

TOPPAN PRINTING CO LTD

1 patent

US12124062B2Oct 22, 2024

Wavelength selection filter, method of manufacturing wavelength selection filter, and display device

TOPPAN PRINTING CO LTD0 citations44

TOPPAN INC

1 patent

US12345902B2Jul 1, 2025

Optical device and method of producing optical device

TOPPAN INC0 citations41