HS

Hiroyasu Sumida

Ricoh Company: 2 patents #35 of 489Top 8%
Overall (1989): #25,587 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4881101 Device for setting operation modes of office equipment — 1989-11-14
4851878 Copy information output device for a copier — 1989-07-25