Inventor

Hisakuni Daichi

JP9 patents

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

MAKABE KEIJI

2 patents

US9804516B2Oct 31, 2017

Toner, developer, image forming apparatus, and process cartridge

MAKABE KEIJI1 citations49

US11079700B2Aug 3, 2021

Image forming apparatus and image forming method

MAKABE KEIJI0 citations46

RICOH CO LTD

1 patent

US11340540B2May 24, 2022

Image forming apparatus and image forming method

RICOH CO LTD2 citations71

TANAKA AKIRA

1 patent

US10303072B2May 28, 2019

Toner, developer, and image forming device

TANAKA AKIRA1 citations61

MIZOGUCHI YUKA

1 patent

US11061343B2Jul 13, 2021

Toner, toner stored unit, and image forming apparatus

MIZOGUCHI YUKA0 citations59

MASUDA MINORU

1 patent

US10895816B2Jan 19, 2021

Image forming apparatus and toner set

MASUDA MINORU1 citations59

SATOH KOHSUKE

1 patent

US11061345B2Jul 13, 2021

Toner, toner stored unit, developer, developer stored unit, and image forming apparatus

SATOH KOHSUKE0 citations57

WATANABE JUNICHI

1 patent

US9791794B2Oct 17, 2017

Toner, developer, and image forming apparatus

WATANABE JUNICHI0 citations50

TAKAHASHI TSUKIKO

1 patent

US12585208B2Mar 24, 2026

Glittering toner, toner-storing unit, developer, developer-storing unit,image forming apparatus, and image forming method

TAKAHASHI TSUKIKO0 citations40