AM

Akihiko Matsuyama

Ricoh Company: 2 patents #462 of 1,683Top 30%
Overall (2011): #114,056 of 364,097Top 35%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7977408 Recording ink, ink set, ink cartridge, ink record, inkjet recording apparatus and inkjet recording method Masanori Hirano, Hiroshi Adachi 2011-07-12
7919544 Ink-media set, ink composition, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matter Tamotsu Aruga, Naoya Morohoshi, Tohru Ohshima, Hiroshi Goto 2011-04-05