Katsuo Sakai

Ricoh Company: 2 patents #29 of 170Top 20%

Overall (1982): #11,339 of 81,411Top 15%

Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4335194	Two color electrophotographic process and material	—	1982-06-15
4310610	Two color electrostatographic process	—	1982-01-12