Learn more

YAMAZAKI HAGURUMA SEISAKUSHO K

Overview
  • Total Patents
    33
About

YAMAZAKI HAGURUMA SEISAKUSHO K has a total of 33 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Japan, Canada and EPO (European Patent Office). Its main competitors in its focus markets machine tools, engines, pumps and turbines and civil engineering are WHEELER CHARLES J, HENRY PERSSON and COBLITZ SANFORD E.

Patent filings per year

Chart showing YAMAZAKI HAGURUMA SEISAKUSHO Ks patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Noda Hirotoshi 28
#2 Yamazaki Shimizu 5
#3 Maruyama Takashi 2
#4 Konno Eiji 2
#5 Nakamura Takasada 1
#6 Hata Keiji 1
#7 Kitagawa Takayuki 1
#8 Sakamoto Hideki 1
#9 Mikami Shiro 1
#10 Mochizuki Toshitaka 1

Latest patents

Publication Filing date Title
JP2008208695A Rail bottom grasping type rail perforator
JP2008121389A Groove formed in hole for fixing screw member by using filling material, and groove forming device
JP2003342901A Monoaxial rail adjuster
JP2001353457A Marking work utensil for bolt head or nut
JP2001252805A Railroad rail boring machine
JPH1137869A Method for measuring fastening torque of bolt or the like and device therefor
JPH09285974A Impact wrench fastening controlling method and device thereof
JPH09272066A Fastening method and device for bolt of impact wrench
US5486136A Cutting machine for railroad rail
JPH08218303A Manually operated flat board type compactor
JPH07205111A Spike driver
EP0645493A1 Railroad rail drilling apparatus and machine
JPH06346403A Bolt fastening and loosening device for rail presser plate spring
JPH06330502A Bolt fastening and unfastening device of rail holding flat spring
JPH06304879A Bolt tightening method for impact wrench
JPH06307847A Angle sensor
US5409328A Drilling machine for railroad rail
KR0140068B1 Machine for making hole in railway rail
KR0140067B1 Machine for cutting railway rail
JPH06206172A Bolt tightening of impact wrench