MK

Masako Kunita

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #2,344,312 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4687723 Electrophotographic photoconductor having a photosensitive layer of amorphous silicon carbonitride Kohichi Ohshima, Yoshiyuki Kageyama, Yukio Ide, Itaru Fujimura 1987-08-18
4600672 Electrophotographic element having an amorphous silicon photoconductor Itaru Fujimura, Yukio Ide, Yoshiyuki Kageyama 1986-07-15