Inventor

FUKUSHIMA TSUYOSHI

JP4 patents

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

RICOH KK

1 patent

US7741002B2Jun 22, 2010

Toner, toner production method, and image forming method

RICOH KK3 citations58

TOKYO ELECTRON LTD

1 patent

US10580669B2Mar 3, 2020

Substrate processing apparatus and nozzle

TOKYO ELECTRON LTD0 citations49

SEIKO EPSON CORP

1 patent

US12252620B2Mar 18, 2025

Ink jet ink composition, ink set, and ink jet recording method

SEIKO EPSON CORP0 citations42

SANYO CHEMICAL IND LTD

1 patent

US10138437B2Nov 27, 2018

Water-soluble lubricant oil

SANYO CHEMICAL IND LTD0 citations34