KA

Kenzo Ariyama

Ricoh Company: 2 patents #35 of 489Top 8%
Overall (1989): #22,591 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4860050 Developing replenisher material for use in image forming device Tsuneo Kurotori, Manabu Mochizuki, Shinichi Kuramoto, Yoshihiro Sugiyama, Hajime Takanashi +3 more 1989-08-22
4800839 Developing device for electrophotographic color copier Manabu Mochizuki, Tsuneo Kunotori, Kenji Kojima, Masato Jinbo, Hiroaki Takenouchi +1 more 1989-01-31