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SONOKAWA SHOJI

Overview
  • Total Patents
    13
About

SONOKAWA SHOJI has a total of 13 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and mechanical elements are FUJITA MINEO, DOBOKU KENKYU CENTER and TROJSTVA.

Patent filings in countries

World map showing SONOKAWA SHOJIs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing SONOKAWA SHOJIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Sonokawa Shoji 13

Latest patents

Publication Filing date Title
JPH11148580A Synthetic resin pipe connecting method and joint cover for use in this method
JPH07284616A Filter medium
JPH05148867A Fluid faucet
JPH05123509A Water treatment apparatus
JPH05123669A Water purifier for ornamental purpose
JPH05125749A Supply tank for clear water
JPH04287900A Self-priming tank additionally provided in front of pump
JPH04161535A Work for water piping
JPH03146106A Filter medium
JPH03123432A Water filter
JPH0397462A Low temperature sauna bath
JPH0382416A Bathing device
JPH0384333A Cooling and heating system