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RICOH TOKUKI KK

Overview
  • Total Patents
    12
About

RICOH TOKUKI KK has a total of 12 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan. Its main competitors in its focus markets optics are ZHUHAI UN-TERN IMAGING PRODUCTS CO LTD, KESEL JAN DE and ZHENJIANG LONGWEI PREC PARTS CO LTD.

Patent filings in countries

World map showing RICOH TOKUKI KKs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing RICOH TOKUKI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Electrography

Top inventors

# Name Total Patents
#1 Kadokura Michio 8
#2 Kanda Hiroshi 5
#3 Fukuda Koichi 5
#4 Iwasaki Takeshi 5
#5 Hamazaki Mitsugi 4
#6 Sugou Tokio 4
#7 Koide Yoichi 3
#8 Kenmochi Yoshio 3
#9 Mabashi Minoru 1
#10 Mitomi Hiroshi 1

Latest patents

Publication Filing date Title
JPH03155537A Automatic exposure control method for copying machine
JPH01306884A Toner fixing device
JPH01306885A Toner fixing device
JPH01300271A Electrostatic transfer image forming device
JPH01183640A Zooming variable power control method for microreader printer
JPH01102538A Zoom variable magnification control method in microreader/printer
JPH01102537A Variable magnification control method for microreader/ printer or the like
JPH01102536A Zoom variable power control method in microreader/ printer
JPS6447548A Image forming device
JPS6429885A Toner fixing device
JPS63269173A Image forming device
JPS63269185A Toner fixing method