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NITTO KOHKI CO

Overview
  • Total Patents
    1,876
  • GoodIP Patent Rank
    4,079
  • Filing trend
    ⇧ 25.0%
About

NITTO KOHKI CO has a total of 1,876 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 1965. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, machines and mechanical elements are SCHUSTACK EDWARD H, M B SKINNER COMPANY and OETIKER HANS.

Patent filings per year

Chart showing NITTO KOHKI COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mikiya Toshio 148
#2 Kazama Yasuo 106
#3 Mikitani Toshio 96
#4 Takeuchi Hirosato 76
#5 Asano Osamu 74
#6 Nakao Haruki 72
#7 Suzuki Yasumasa 61
#8 Shoji Michihiro 59
#9 Kitagawa Hiroyuki 52
#10 Takeuchi Hirotatsu 46

Latest patents

Publication Filing date Title
WO2021060015A1 Control circuit for electric tool, control device, and electric tool
WO2021039185A1 Portable machining tool
WO2021049171A1 Pipe joint member
WO2021039186A1 Portable machining tool
WO2021020126A1 Valve structure body, joint member, and tube joint
WO2020230454A1 Portable machine tool
WO2020195868A1 Battery-type electric power tool
WO2020162143A1 Pipe joint having valve and coil spring used in same
WO2020137571A1 Tip holding member, chamfering machine, and cutting tip
WO2020153030A1 Female joint and pipe joint
WO2020129793A1 Pipe-joint size adjustment attachment
WO2020121955A1 Connecting pipe
WO2020121956A1 Member for pump installation
WO2020095781A1 Boring machine
WO2020039719A1 Pipe joint
JP2020175477A Portable machine tool
KR20200122408A Belt type grinding tool
JP2020138297A Chamfering machine
JP2020138298A Computer and electric driver system
JP2020137903A Presser for air massage machine and air massage device including presser for air massage machine