Learn more

NIPPON KOKAN PIPE FITTING MFG

Overview
  • Total Patents
    138
About

NIPPON KOKAN PIPE FITTING MFG has a total of 138 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Germany and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, machines and machine tools are SHANGHAI SAN YING PACKAGING MATERIAL CO LTD, DURAPIPE LTD and Shanghai shangfeng group co ltd.

Patent filings in countries

World map showing NIPPON KOKAN PIPE FITTING MFGs patent filings in countries

Patent filings per year

Chart showing NIPPON KOKAN PIPE FITTING MFGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hirabayashi Hideo 29
#2 Kishimoto Yuji 22
#3 Okazaki Yoshiro 20
#4 Nagayama Seiichi 17
#5 Takimoto Ayanori 11
#6 Nagano Shigefumi 10
#7 Inoue Masachika 9
#8 Matsukawa Yasutsugu 9
#9 Osuga Shoichi 9
#10 Minamide Yoshiaki 8

Latest patents

Publication Filing date Title
JP2003154291A Inertial classifier
JP2003126781A Inertia classifier
JP2003074771A Heat-resistant pipe joint
JP2003025042A Method and equipment for eliminating segregation of powder and granular material
JP2003010788A Method and device to classify and separate powder having different kind and different shape
JP2003014169A End structure of pipe to be inserted into inserting joint
JP2002372180A Inserted pipe joint
JP2002340256A Bell-and-spigot pipe joint
JP2002340238A Riser pipe for gas piping
JP2002243088A Riser pipe for gas piping
JP2002239024A Fixture for sprinkler head
JP2002206666A Execution method for replacing buried gas pipe and connecting device for new and old buried gas pipes
JP2002206667A Replacing execution method for buried gas pipe
JP2002181263A Dissimilar pipe connecting convertible joint
JP2002081587A Bayonet pipe joint, and method of inserting pipe in bayonet pipe joint
JP2002174383A Bell and spigot pipe joint, and method of inserting pipe to bell and spigot pipe joint
JP2001241580A Slip-on pipe joint
JP2002039487A Joint for soft pipe
JP2002013673A Socket joint for floor take-out type combination water faucet, and method for fixing socket joint
JP2001300990A Mold and method for injection-molding cylindrical molding