HW

Hiroaki Watanabe

Ricoh Company: 3 patents #12 of 489Top 3%
📍 Yokohama, OR: #2 of 4 inventorsTop 50%
Overall (1989): #4,986 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D304828 Facsimile transceiver/receiver — 1989-11-28
D304184 Facsimile transmitter/receiver — 1989-10-24
D301581 Facsimile transceiver/receiver — 1989-06-13
4798490 Method for using and reusing correction tape assembly — 1989-01-17