Learn more

TOKYO RASENKAN SEISAKUSHO KK

Overview
  • Total Patents
    13
About

TOKYO RASENKAN SEISAKUSHO KK has a total of 13 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan. Its main competitors in its focus markets mechanical elements, measurement and environmental technology are EZAKI KOGYO KK, OSAWA SHOJI and FUNEN AKUROSU KK.

Patent filings in countries

World map showing TOKYO RASENKAN SEISAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sekiyama Norio 6
#2 Katayama Yutaka 6
#3 Iwabuchi Tomohiro 2
#4 Chiku Akira 2
#5 Endo Takenori 2
#6 Kodaira Junichi 1
#7 Tsuruta Kazuyuki 1
#8 Matsumoto Shigeyuki 1
#9 Hasebe Takeshi 1
#10 Kaede Katsuyuki 1

Latest patents

Publication Filing date Title
JP2001330186A Joint for base-isolated piping
JPH1163338A Expansion pipe joint
JPH1086996A Preventive bank against liquid in tank
JPH10141565A Bellows type expansion pipe joint
JPH09240783A Dike of tank
JPS63269033A Apparatus for detecting damage in bellows
JPS63219986A Bellows type expansion joint
JPS61130509A Ground surface temperature control apparatus
JPS60136692A Pipe joint
JPS60136693A Independent parallel corrugated flexible tube with pipe joint
JPS56154219A Manufacture of multiple-ply bellows pipe
JPS5780501A Apparatus for measuring amount of expansion and contraction of heat insulated expansion pipe
JPS5620863A Diaphragm type bellows tube