Learn more

HATAKEYAMA KOICHI

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    228,240
About

HATAKEYAMA KOICHI has a total of 13 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan and United States. Its main competitors in its focus markets telecommunications, it methods for management and semiconductors are MIZUKAMI TOSHIHIKO, NAKAJIMA KAZUAKI and CHOU PETER.

Patent filings in countries

World map showing HATAKEYAMA KOICHIs patent filings in countries
# Country Total Patents
#1 Japan 9
#2 United States 4

Patent filings per year

Chart showing HATAKEYAMA KOICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hatakeyama Koichi 13
#2 Gamo Sayaka 1
#3 Naito Akio 1
#4 Kusanagi Keiyo 1
#5 Watanabe Mitsuhisa 1

Latest patents

Publication Filing date Title
JP2020007775A Chain trencher
JP2008011761A Net reeling device
JP2005137292A Traction structure for longer root vegetable harvester
JP2004283057A Harvester for dioscorea batatas
JP2003310020A Harvester for dioscorea batatas
JP2003304719A Harvester for chinese yam
JP2003304720A Digging and harvesting machine for chinese yam
JPH0731242A Harvester for root vegetables
JPH0358773A Automatic core remover for wakame sea weed