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OHAMA SANGYO KK

Overview
  • Total Patents
    11
About

OHAMA SANGYO KK has a total of 11 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are XUEJUN ZHANG, VINNITSKIJ POLITEKHN I and TIANJIN MROGAN KUNDOM HI TECH DEV CO LTD.

Patent filings in countries

World map showing OHAMA SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing OHAMA SANGYO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sumiya Kenichi 7
#2 Sumiya Himio 3
#3 Sumiya Himao 1

Latest patents

Publication Filing date Title
JP2000136600A Effective leg-adjustable ridge tile
JPH11117459A Wind-resistant, aseismatic, effective width adjustable pantile
JPH11107450A Effective leg-adjustable tile
JPH1181561A Earthquake-resisting ridge structure utilizing ridge-center rafter and pantile with tile for closing clearance
JPS61204459A Construction of ridge part in tile roof
JPS61178479A Manufacture of porous brick
JPS61139319A Production of porous ceramic culture soil
JPS61106452A Manufacture of ceramic plate using waste or like of roof tile
JPS56163357A Installation of ridge part in tile roof
JPS5670349A Structure of westernnstyle roof
JPS563747A Roof tile