HN

Haruhiko Nagayama

Ricoh Company: 3 patents #18 of 170Top 15%
Overall (1982): #4,899 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4364059 Ink jet printing apparatus 1982-12-14
4346389 Multiple charge electrode device for liquid jet printer 1982-08-24
4338612 Multiple deflection plate device for liquid jet printer or the like 1982-07-06