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OKAMURA MFG CO LTD

Overview
  • Total Patents
    33
About

OKAMURA MFG CO LTD has a total of 33 patent applications. Its first patent ever was published in 1963. It filed its patents most often in China, United Kingdom and United States. Its main competitors in its focus markets furniture and games, environmental technology and machines are CROWTHER HARRY, CHEN YUNG-HUA and FAHY ARTHUR J.

Patent filings in countries

World map showing OKAMURA MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 15
#2 United Kingdom 5
#3 United States 4
#4 Germany 3
#5 France 3
#6 Japan 2
#7 Taiwan 1

Patent filings per year

Chart showing OKAMURA MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ken Nakayama 5
#2 Hiroshi Masunaga 5
#3 Ryo Igarashi 4
#4 Terao Kunio 3
#5 Yoshikuni Hiroshi 3
#6 Naoki Numa 2
#7 Ryou Igarashi 2
#8 Tetsuya Narita 2
#9 Yoshiharu Ooba 2
#10 Kenji Nakamura 2

Latest patents

Publication Filing date Title
CN101505632A Top board structure
JPS55145069A Truck transporter
JPS55126583A Imitation marble and its manufacture
US3967941A Exhaust gas liquid contactor
DE2159542A1 Exhaust gas purifier - removes solid particles by passing through water tank,cooling section and filter
US3655018A Clutch control system for motor vehicles
US3702648A Brake release reversing transmission clutches
DE1943633A1 Inclination device for an armchair
GB1215082A Wide gap discharge spark plug
DE1601433A1 Spark plug for internal combustion engines
GB1127570A Improvements in or relating to sweepers
GB1097670A Improvements in and relating to floor sweepers
GB1100695A Improvements in and relating to floor sweepers
GB1104300A Improvements in and relating to floor sweepers
US3177824A Table with leaf