Inventor

MATSUDA SHOKI

JP4 patents

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

RICOH CO LTD

2 patents

US12032332B2Jul 9, 2024

Magenta toner, developer, toner accommodating unit, image forming apparatus, and image forming method

RICOH CO LTD0 citations54

US11841679B2Dec 12, 2023

Cyan toner, developer, toner accommodating unit, image forming apparatus, and image forming method

RICOH CO LTD0 citations53

MATSUDA SHOKI

1 patent

US12228881B2Feb 18, 2025

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

MATSUDA SHOKI0 citations38

FUJINO HIYORI

1 patent

US10859934B2Dec 8, 2020

Yellow toner, developer, process cartridge, image forming apparatus, and image forming method

FUJINO HIYORI0 citations36