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WATANABE TADAO

Overview
  • Total Patents
    13
About

WATANABE TADAO has a total of 13 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan and United States. Its main competitors in its focus markets control are CHARON HOLDINGS PTY LTD, LI LAIJU and HUIZHOU JPT ELECTRONICS TECHNOLOGY CO LTD.

Patent filings in countries

World map showing WATANABE TADAOs patent filings in countries
# Country Total Patents
#1 Japan 12
#2 United States 1

Patent filings per year

Chart showing WATANABE TADAOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Control

Focus technologies

# Technology
#1 Teaching materials

Top inventors

# Name Total Patents
#1 Watanabe Tadao 13
#2 Tsutsumi Shiyouwa 1
#3 Itsushiki Kenji 1
#4 Hirata Susumu 1

Latest patents

Publication Filing date Title
JP2006337585A Calculation training device
JP2005292464A Calculation method teaching tool and calculation method teaching system
JPH09276351A Brush for growing hair
JPH04200785A Structure for recovering outflow oil
JPH04148644A Structure of vessel for bran pickling in cold season
JPH01230824A Preventer for water pipe bursting due to freezing
JPS5393991A Easily peelable packing body
JPS5393990A Packed body with varied strength of heat seal and method of producing same
JPS5379686A Packing body of varied heat sealing strength and method of producing same
JPS5379688A Continuous sealing method and apparatus for same
JPS52105211A Antiseptic for foods
JPS5249389A Restore to original apparatus for shwrink yarn of wool stitch material