COMPANY

Company Overview

Company name
T.Kato Co., Ltd.
Main office
4-1-1 Iidabashi, Chiyoda-ku, Tokyo
102-0072
PHONE: 81-3-6280-8185 FAX: 81-3-6280-8184
Branch office
527 Waseda Tsurumakicho, Shinjuku-ku, Tokyo
162-0041
Research center
K Building, 1129-16 Takahagi, Hidaka-shi, Saitama
350-1213
URL
https://www.t-kato.co.jp
Founded
December 1988
Capital stock
15 million yen
Representative Director
Toshiyuki Kato
Banks
Mizuho Bank: Edogawabashi branch
Saitama Resona Bank: Hanno branch
Hanno Shinkin Bank: Hidaka branch
Business details
Development, manufacturing and
sales of construction materials
T.Kato HQ (Chiyoda Ward)
T.Kato Research Institute/showroom
(Hidaka City)

Overseas patents (partial)

Domestic patents (partial)

Company History

April1950
Esuke Katoh founded the Katoh Hardware Company
December1988
Established from Developmental Department of Katoh Hardware Company
December1994
Patent filed for “Deck Connector”
December1997
Patent filed for the earthquake-resistant washer, Tightnik, “Washer for Seismic Prevention and Earthquake Prevention Device Which Uses It”
June1998
Overseas patent filed for the earthquake-resistant washer, Tightnik
(USA, China, Hong Kong, Taiwan, Korea)
August
The earthquake-resistant washer, Tightnik, launched
September
Overseas patent filed for the earthquake-resistant washer, Tightnik (EU)
October
Overseas patent filed for the earthquake-resistant washer, Tightnik (Canada)
May1999
Patent acquired for the earthquake-resistant washer, Tightnik, "Washer for Seismic Prevention and Earthquake Prevention Device Which Uses It"
August2000
Patent acquired for the earthquake-resistant washer, Tightnik in Taiwan
June2001
Patent acquired for the earthquake-resistant washer, Tightnik in USA
March2002
Patent filed for "Strut for floor structure"
August
Patent acquired for the earthquake-resistant washer, Tightnik in Korea
April2003
Tightnik is adopted for the Tokorozawa Gym
July
Patent filed for Hozoc "Wood Coupling"
 
Patent acquired for the earthquake-resistant washer, Tightnik in China
April2004
Patent filed for Relevel, "Variable Spacer"
 
Patent acquired for the earthquake-resistant washer, Tightnik in Hong Kong
October
Patent acquired for "Deck Connector"
November
Patent acquired for the earthquake-resistant washer, Tightnik in EU
(Germany, France, Italy, Netherlands, Norway)
January2005
Foundation washer, Relevel, has been launched
April
Main Division moved to Nerima Ward
April2006
Patent filed for Skilits, "Clamping Device for Beam Parts"
August
Patent acquired for the earthquake-resistant washer, Tightnik, in Canada
February2007
Gripper has been launched
April
Patent acquired for "Strut for floor structure"
May
Patent filed for TGC "seismic isolation device"
September
Patent filed for Apple Pin APS "Hozo Rod & Hozo Joint"
January2008
Skilits has been launched
May
Patent acquired for Hozoc, "Wood Coupling"
August
Patent acquired for Relevel "Variable Spacer" patent acquired
February2009
Overseas patent filed for Apple Pin (USA, EU, China, Hong Kong)
April
Patent filed for Apple Post, Smart Post
November2011
Main Division moved to Shinjuku Ward
December
Patent acquired for Skelits
April2012
Patent acquired for TGC "seismic isolation device"
May
Patent acquired for Apple Pin APS, "Hozo Rod & Hozo Joint"
July
Control of APS division transferred to Apple Pin Systems
September
Patent acquired for APS "Hozo Rod & Hozo Joint" In EU (Sweden, Germany, Italy)
October
Overseas patent acquired for APS "Hozo Rod & Hozo Joint" (China)
July2013
Overseas patent acquired for APS "Hozo Rod & Hozo Joint" (Hong Kong)
December
Main Division moved to Chiyoda Ward
 
Patent acquired for "Apple Post Steel Bundle"
June2014
Patent acquired for Smart post, "Steel Bundle"
December
Patent filed for T.balance
 
Overseas patent filed for T.balance (EU, USA, China)
January2015
Overseas patent filed for T.balance (Taiwan)
November
Patent filed for T.balance
December
Overseas patent filed for T.balance (Europe)
June2016
Overseas patent filed for T.balance (Korea, Australia)
January2017
Patent acquired for Tightnik-related "Binding Washer Device"
February
Overseas patent acquired for T.balance (Australia)
March
Patent filed for Skit
April
Patent acquired for T.balance/Gripper
August
Overseas patent acquired for T.balance (South Korea)
September
Certificate of trademark registration acquired for/T.balance
May2018
Patent filed for Youlens
 
Overseas patent acquired for T.balance (USA)
June
Patent filed for Branner
October
Overseas patent acquired for T.balance (Europe)
November
Overseas patent acquired for T.balance (China)
June2019
Patent acquired for Branner
August
Patent acquired for Youlens
December
Main Division moved within Chiyoda Ward
An image of Kato Hardware Store
at the time of establishment
Deck Connector
Deck Connector
Tightnik
Tightnik
Relevel
Relevel
Gripper
Gripper
T. balance
T. balance
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