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RICOH CO

Overview
  • Total Patents
    17
About

RICOH CO has a total of 17 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Germany. Its main competitors in its focus markets optics, computer technology and textiles and paper are MIYADERA TATSUYA, SUGAWARA ATSUSHI and NAKAZAWA SHINJI.

Patent filings in countries

World map showing RICOH COs patent filings in countries
# Country Total Patents
#1 Germany 17

Patent filings per year

Chart showing RICOH COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hiyoshi Takayuki 2
#2 Nakayama Masayoshi 2
#3 Masuda Minoru 1
#4 Matsuura Yozo 1
#5 Matsui Akio 1
#6 Kamijo Masahiko 1
#7 Fujimori Kouta 1
#8 Nakagawa Tsutomu 1
#9 Sano Yoshihiko 1
#10 Mabuchi Hiroyuki 1

Latest patents

Publication Filing date Title
DE10017108A1 Optical writing device, image forming apparatus and method therefor
DE19815620A1 Light source device
DE19534384A1 Color dry toner for electrophotography and production thereof