History of Quality Assurance
Company founded in Minato-ku,Osaka under the private ownership of Noboru Takenaka
Designated to a Navy-supervised factory exclusively manufacturing bolts, nuts, and rivets for warships and nuts and bolts for Navy oil refinery facilities .
Saiwaicho Factory established in Naniwa-ku Osaka, where mass production of alloy and special steel products started
Okajima Factory newly established in Taisho-ku, Osaka
Fuse Factory( currently called Higashi Osaka Factory)completed to replace Saiwaicho Factory and full-capacity operation started
Tokyo Office opened.
Awarded by the Minister of International Trade and Industry for the contributions to exportation
Patent granted on "Resin-Coated Nuts and Bolts" (JP 1206194.)
Ceramic resin-coated nuts and bolts developed, and their manufacture and sales started
A new Headquarters Building completed in the Higashi Osaka Factory site
TAKECOAT®-1000 specified in the master vendors list of Exxon Mobil Head Office, USA
Started Division of Electronic Equipments
TAKECOAT®-1000 coated nuts and bolts adopted for the segment fasteners in Transe Tokyo Bay Highway(Aqua-Line), and their delivery started.
TAKECOAT®-1000 coated nuts and bolts adopted by the Abu Dhabi National Oil Company (ADNOC), the United Arab Emirate
Awarded a Good Company Award by the Medium and Small Business Research Institute
Joint patenta ppliedo n "TAKECOAT®-Yakitsuki-Naon "e, xcellents eizing-protectivec oatingo f specialr esin
Opened Tokyo Office(Electronic Equipment Division)
ELECUTa, b olt excellingi n electric insulation,c ommercialized
Awardeda GoldP rizei n the 5th Ceremonyo f HigashiO sakaG randA wardsf or CreativeD esigna nd Manufacturin
Awardeda METIP rizef or Excellencein the 1st Ceremonyo f JapanG randA wardsf or CreativeD esigna nd ManufacturingM: ETI standsf or the Ministero f EconomyT, radea nd Industry,J apan
Patenat ppliedo n "Nanotec®t, a CarbonN anotubIen cludingH, igh-StrengAthn ti-rustinCg oatingS ystem("P atenAt pplicatio2n0 06-12280
Selected by METI as one of the "300 Most Active Small and Medium-Sized Manufacturers in Japan": METI stands for the ministryo f EconomyT, radea nd Industry,Japan
Nanotect® selected as a target technology of the METI Projects to Support the Enhancement of Strategic Core Technologies,2006
A new Test& ResearchL aboratoryc ompletedi n the Divisiono f Nuts& Bolts
Awarded a Prize for New Product (Nanotect®) and a Special Prize for Technological Management in the 21st Awarding Ceremony for Small-and Medium-sized Enterprises'New Technologies and New Products
Awarded a Prize for New Product (Nanotect®) and a Special Prize for Technological Management in the 21st Awarding Ceremony for Small-and Medium-sized Enterprises'N ew Technologies and New Products
Patent on Nanotect® granted (JP 4536031)
A new Machining Mill completed
Opened Kobe Office(Electronic Equipment Division)
Awarded a METI Prize for Excellence in the 4th Ceremony of Japan Grand Awards for Creative Design and Manufacturing,
Recognized officially by the Osaka Regional Taxation Bureau as a company of excellence in tax declaration since 1969
The Abu Dhabi Branch in United Arab Emirates opened
Selected by METI as one of the Global Niche Top (GNT) 100 Corporations
Patent granted on "Control Device and Control Method for Synchronous Motors" (Sensor-less Control of Permanent Magnet Synchronous Motors)( JP 5534991)
Chairman Hirotada Takenaka received the Order of the Rising Sun,Gold Rays with Neck Ribbon at the Spring Conferment
Electronic Equipment Division launched robot import, sales, and rental.
TAKENAKA MIDDLE EAST LLC was established in the United Arab Emirates.
Taking advantage of the Ministry of Economy, Trade and Industry’s Standardization System for Cultivating New Markets, Takenaka’s Nanotect® was selected as a standardization project, and adopted into the JIS Standard Z 8921-2016: Carbon nanotube composite resin coating film.
History of Quality Assurance
Quality control activities started by introducing SQC
Qualified to display the Japanese Industrial Standard( JIS)code JIS B 1180 for hexagon head bolt
Qualified to display the JIS code JIS B 1181 for hexagon nut
Control activities started by introducing TQC
Awarded by the Osaka Prefectural Government for excellence in quality control promotion
A quality assurance system established for nuts and bolts for nuclear power plants,and their full-scale productions tarted
Qualified to display the JIS code JIS B 1186 for friction bonding-type set of high-strength hexagon-head bolt and nut
A QA manual for nuclear pressure vessels established
Licensed to manufacture nuts and bolts for pressure vessels by the TechnicaI lnspection Organization, Germany( TÜV)
A QA manual established for nuts and bolts for nuclear power plants conforming to the ASME (American Society of Mechanical Engineers) standard.
ASME QSC( Quality System Certificate) obtainedf or nuts and bolts for nuclear power plants
TAKECOAT®-1000 issued with the certificate of Civil Engineering Materials Technology Examination by Public Works Research Center,the Ministry of Construction, Japan
TAKECOAT®-1000 approved as fluorocarbon resin coated nuts and bolts by the Osaka City Water Works Bureau
The Division of Bolts and Corrosion Engineering qualified with ISO9002( currently coded as IS09001)
Certified as manufacturer of stainless steel high strength bolts by Stainless Steel Building Association of Japan(SSBA). *SSBA was merged with JSSC( Japanese Society of Steel Construction)in 2010 .
The Division of Electronic Equipments qualified with ISO9001
The Division of Electronic Equipments qualified with ISO14001
Certified as manufacturer of stainless steel bolts for construction by Stainless Steel Building Association of Japan.( SSBA)
Qualified to display the new JIS codes JIS B 1180 for hexagon head bolt, JIS B 1181 for hexagon nut, JIS B 1186 for friction bonding type set of high strength hexagon head bolt and nut and flat washer
Approval by MLITT obtained for high strength hexagon bolt set (THB) for a wind power facility-supporting structure ; MLITT for the Minister of Land,Infrastructure,Transportation and Tourism,Japan
ASME QSC( Quality System Certificate)obtained again for nuts and bolts for nuclear power plants
Approval by MLITT obtained for hot-dip-galvanized set of high strength hexagon bolt, nut, and flat washer (THBZ)for a wind power facility-supporting structure( with the scope of approval expanded in 2014
Approval by MLITT obtained for TAKECOAT®-1000 coated set of high strength hexagon bolt, nut, and flat washer( THBF)