P

Inventor

MATSUFUJI RYOUTA

JP5 patents
⚠️ This page may combine multiple inventors who share the name “MATSUFUJI RYOUTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH PRINTING SYS LTD

3 patents
US7681987B2Mar 23, 2010

Inkjet recording head

RICOH PRINTING SYS LTD3 citations61
US7654652B2Feb 2, 2010

Ink jet head

RICOH PRINTING SYS LTD3 citations61
US7131718B2Nov 7, 2006

Inkjet head and ejection device

RICOH PRINTING SYS LTD6 citations61

RICOH CO LTD

1 patent
US8348407B2Jan 8, 2013

Liquid ejection head, liquid-droplet ejection device, and image forming apparatus

RICOH CO LTD19 citations82

SATOU TAKASHI

1 patent
US8777346B2Jul 15, 2014

Ink-jet printing method and apparatus

SATOU TAKASHI5 citations70