Masaru Tanaka

Ricoh Company: 1 patents #129 of 489Top 30%

Overall (1989): #78,469 of 140,708Top 60%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4800411	Magnetic brush development device for electrostatic latent images	Seiji Oka	1989-01-24