Inventor

HORIBA KOJI

JP38 patents

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

HORIBA KOJI

FUJI XEROX CO LTD

Image forming method

Thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium

Organic electroluminescent element including bibenzothiopene containing organic compound and display device including the same

Thiazolothiazole derivative

Organic electroluminescent device, production method thereof, and image display medium

Liquid developer, developer cartridge, and image forming apparatus

Positively chargeable toner, liquid developer, developer, developer cartridge, process cartridge, and image forming method

Liquid developer, developer cartridge, and image forming apparatus

Electrostatic charge image developing toner, liquid developer, and toner cartridge

Liquid developer, particles for liquid developer, and liquid developer accommodation container

Toner, liquid developer, dry developer, developer cartridge, process cartridge, image forming apparatus, and image forming method

Thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium

Thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium

Carbazole compound, and polymer thereof

Liquid developer and developer cartridge

Liquid developer, developer cartridge, and image forming apparatus

Method for producing polymer organic electronic material, polymer organic electronic material, and organic electroluminescent device

SEIKO EPSON CORP

Dispersion liquid, ink composition for ink jet recording, and dispersion resin

Ink jet composition and ink jet recording method

Dispersion, ink composition for ink jet recording, and ink jet recording method

Ink jet composition and ink jet recording method

Ink jet composition and ink jet recording method

Dispersion liquid, ink composition for ink jet recording, and dispersing resin

HORIBA KOJI

Toner, liquid developer, dry developer, developer cartridge, process cartridge, image forming apparatus, and image forming method

Organic semiconductor transistor, method of producing the same, and electronic device

Liquid developer, developer cartridge, image forming method, and image forming apparatus

Quinoxaline-containing compounds and polymers thereof

Organic electroluminescence element and display device

IMAI AKIRA

Nitrogen-containing heterocyclic compound

Nitrogen-containing heterocyclic compound

Organic electroluminescent device and display medium

HIROSE HIDEKAZU

Organic semiconductor transistor

Organic semiconductor transistor

Fluorene compound

INABA YOSHIHIRO

Liquid developer, developer cartridge, process cartridge, image forming apparatus, and image forming method

Liquid developer, process cartridge, image forming apparatus, and image forming method

OKI MASAHIRO

Liquid developer, developer cartridge, process cartridge, image forming apparatus, and image forming method

OKUDA DAISUKE

Organic electroluminescent device and display device