Inventor
USHIYAMA TOMOYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “USHIYAMA TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
10 patentsUS10113072B2Oct 30, 2018
Electrophoretic particle, method of manufacturing electrophoretic particle, electrophoresis dispersion liquid, electrophoresis sheet, electrophoresis device, and electronic apparatus
SEIKO EPSON CORP3 citations72
US9804472B2Oct 31, 2017
Electrophoresis dispersion liquid, electrophoresis sheet, electrophoresis device, and electronic apparatus
SEIKO EPSON CORP3 citations72
US11999180B2Jun 4, 2024
Recording method and recording device
SEIKO EPSON CORP0 citations60
US12344749B2Jul 1, 2025
Water-based composition and coloring method
SEIKO EPSON CORP0 citations59
US12516214B2Jan 6, 2026
Coloring composition, coloring method, and pigment dispersion
SEIKO EPSON CORP0 citations58
US12291641B2May 6, 2025
Metal pigment composition and coloring method
SEIKO EPSON CORP0 citations58
US12264250B2Apr 1, 2025
Coloring composition and coloring method
SEIKO EPSON CORP0 citations58
US10001692B2Jun 19, 2018
Electrophoretic particle, method of manufacturing electrophoretic particle, electrophoresis dispersion liquid, electrophoresis sheet, electrophoresis device, and electronic apparatus
SEIKO EPSON CORP1 citations51
US12109812B2Oct 8, 2024
Ink jet printing method and ink jet printing apparatus
SEIKO EPSON CORP0 citations49
US12305046B2May 20, 2025
Ink jet ink composition and ink jet printing method
SEIKO EPSON CORP0 citations47