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TOKYO SEISAKUSHO KK

Overview
  • Total Patents
    15
About

TOKYO SEISAKUSHO KK has a total of 15 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets civil engineering, packaging and shipping and machines are DONALD M CARTER, TRANSOCEAN ASA and GUANGHAN CHUANYI PETROLEUM TECH CO LTD.

Patent filings in countries

World map showing TOKYO SEISAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 11
#2 United States 2
#3 China 1
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing TOKYO SEISAKUSHO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Inoue Hachiro 11
#2 Senda Shohei 3
#3 Okuzawa Hiromu 1
#4 Makino Masami 1
#5 Okamura Yuichi 1
#6 Iwata Minoru 1
#7 Ito Hidekazu 1
#8 Kawada Tomoshi 1

Latest patents

Publication Filing date Title
JP2008213305A Cleaning waste fluid collection apparatus of rotary press
JP2002180466A Chucking device for buried column member
JP2001308802A Receiver for underwater propagation signal
JPH10317376A Method and device for sinking sunk well
JPH08232296A Flexible bundle of multiple parallel long-size member
JPH06240969A Expansion drilling method and device thereof
JPH0610581A Civil engineering machine operating in water
JPH05115937A Lead wire cutter
CN1010489B Under reaming pile bore excavating bucket and method of its excavation
US4604818A Under reaming pile bore excavating bucket and method of its excavation
JPS6210332A Pit excavating machine
JPS61130527A Boring machine
JPS6187092A Hole digging machine