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PORT & HARBOUR RES INST MINIST

Overview
  • Total Patents
    15
About

PORT & HARBOUR RES INST MINIST has a total of 15 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are TOSHIBA DENPA PRODUCTS KK, KAIJO HOANCHIYOU CHOKAN and HAYAKAWA SUEKICHI.

Patent filings in countries

World map showing PORT & HARBOUR RES INST MINISTs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing PORT & HARBOUR RES INST MINISTs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hashimoto Noriaki 3
#2 Fukute Tsutomu 3
#3 Sugano Takahiro 2
#4 Takahashi Shigeo 2
#5 Mitsufuji Masaaki 2
#6 Nagai Norihiko 2
#7 Hayashi Kentaro 2
#8 Sekimoto Tsunehiro 1
#9 Ando Yutaka 1
#10 Makita Tetsuya 1

Latest patents

Publication Filing date Title
JP2002167728A Cover structure of landfill sand in rear of breakwater
JP2001295283A Porous concrete structure for planting woody plants
JP2001262754A Concrete form
JP2001220727A Reinforcement structure and reinforcing method of foundation rubble mound
JP2001165029A Negative pressure utilizing type pumping structure and pumping method utilizing negative pressure
JP2001131957A Polyethylene-covered corrosion protected steel sheet pile bulkehad wall and corrosion protective method for steel sheet pile bulkhead wall
JP2001094516A Data transmission system using underwater ultrasonic wave for wave observation
JP2000352030A Lightweight concrete caisson and work execution method using the same
JP2000266863A Wave direction spectrum extraction method by short- wave ocean radar
JP2000193500A Marine event observing device and mooring composite cable therefor
JP2000120041A Breakwater
JP2000039343A Trestle for maritime weather observation meter
JP2000001829A Caisson type quaywall
JPH11209909A Paving structure for paving airport and its construction method
JPH11131467A Consolidation improvement method of sand ground by chemical injection