Learn more

YAMAMOTO & CO LTD

Overview
  • Total Patents
    505
  • GoodIP Patent Rank
    241,485
About

YAMAMOTO & CO LTD has a total of 505 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan, China and United States. Its main competitors in its focus markets environmental technology, agriculture and civil engineering are SOIL AND FERTILIZER INST SHANDONG ACADEMY OF AGRICULTURAL SCIENCES, BEIJING HAOHAI TIANJI TECHNOLOGY CO LTD and MIYAZAKI TLO KK.

Patent filings in countries

World map showing YAMAMOTO & CO LTDs patent filings in countries

Patent filings per year

Chart showing YAMAMOTO & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Soichi 358
#2 Goto Tsuneyoshi 34
#3 Yoshioka Masatoshi 29
#4 Ishiyama Bunya 28
#5 Nakamura Kazuo 26
#6 Ishiyama Masami 26
#7 Mori Haruo 25
#8 Hayakawa Fumio 25
#9 Matsuyama Akiyoshi 24
#10 Suzuki Masahiro 24

Latest patents

Publication Filing date Title
JP2020075091A Method and device for egg injection sequencer
JP2013094764A Pod sorting apparatus
JP2013094763A Pod sorting apparatus
JP2013086009A Automatic rice milling device
JP2013046894A Grain polishing machine
JP2013044513A Woody pellet combustion device
JP2012231700A Selective suction apparatus
JP2012125744A Automating rice milling apparatus
JP2012108040A Hatching egg inspection apparatus
JP2012090554A Seed disinfector
JP2012090553A Seed disinfector
JP2012037187A Woody pellet combustion device
JP2012026529A Rotation mechanism and bearing moving method
JP2011191041A Woody pellet combustion device
JP2011191040A Woody pellet combustion device
JP2011056476A Granulator
JP2011050921A Granulating device
JP2010260022A Grain polishing apparatus
JP2010142161A Hot-air heater for horticultural greenhouse
JP2010048769A Apparatus and method for detecting grains