TAKENAKATHEONLY ONE

TAKENAKA THE ONLYONE

Takenaka Seisakusho began in 1935 as a manufacturer of nuts and bolts for ships.
We are in the business of establishing unique technologies that outclass other companies, driven by the demands of an expanding diversity of customers, as well as the passion of our technical experts.
Takenaka products support all the social infrastructure that touches our daily lives, including nuclear power plants, shinkansen railways, expressways, bridges, hospitals, and more.
Takenaka is a pioneering company, a company that has soundly and consistently applied imagination to developing a vision for the future, and will carry on forming knowledge to benefit society into the future.

Our fortes in bolt manufacturing

  • Manufacturing products to special specifications that other companies cannot handle
  • Rich history of experience with standards in a variety of countries
  • Traceability systems underpinned by our integrated structure
  • Complete documentation, including specifications, drawings, and mill sheets
  • Ability to provide technological solutions that major companies trust
  • Special anti-rust coatings developed in-house
ボルト事業の得意な仕事・強み

Our fortes in electronic devices

  • Development and manufacture on commission to match customers’ needs
  • Turning customers’ ideas and vision into reality
  • Streamlined service making full use of our collaborative network
  • Development of equipment for infrastructure and power electronic devices
  • Flexible Manufacturing System from multiple prototypes to small- to medium-quantity mass-production
  • Product quality guarantees based on evaluation test
電子機器事業の得意な仕事・強み

Topics

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SOLUTION MAP

Bolts

Electronic
Equipment

地下鉄 製油所 原子力発電所 洋上構造物マリンホース 風力発電所 橋梁 竹中ソリューションマップ2
EV充電ステーション イベント展示会場 電車 病院 高速道路料金所 高速道路入口出口 竹中ソリューションマップ
Division of Bolts
Oil refineries and
petrochemical plants
Oil refineries and petrochemical plants
We provide urgent nut and bolt services especially when periodic repairs and other works have to be completed reliably in a short period.
TAKECOAT® CERAMIC 1 is often used against galling and seizing, particularly in high-temperature locations.

関連製品

Nuclear power plants
Nuclear power plants
Used in numerous places inside nuclear power plants. Power plants often use nuts and bolts that must meet high quality standards and require mill sheets and testing and inspection calibration records.

関連製品

Wind power stations
Wind power stations
Often used in joints in turbine towers. Takenaka has the capacity to manufacture large-diameter M36-M56 high-tension bolts, including of course JIS B1186 high-tension bolts.

関連製品

Subways
Subways
Often used inside subway shield tunnels.
TAKECOAT®-1000 is used in places with especially high humidity and severe rust.

関連製品

Bridges
Bridges
We supply bolts in a wide range of sizes, from small to large diameter bolts for cable bands, bearings, etc.
TAKECOAT®-1000 is used in places where rust is particularly severe.

関連製品

Offshore structures and
marine hoses
Offshore structures and marine hoses
Used in marine hoses.
With its astounding anti-rust performance, TAKECOAT®-1000 is often used on and in the sea.

関連製品

Division of
Electronic Equipments
Hospitals
Hospitals
Induction heating (IH) technology for heating, without using fire.
Used in food tray trolleys for hospitals.

関連製品

Trains
Trains
Power conversion technology to convert from DC to AC and from AC to DC.
Used in inverters, converters, and auxiliary power sources for railways.

関連製品

Electric vehicle
charging stations
Electric vehicle charging stations
Vehicle-mounted technology, including water cooling, efficiency improvement, and miniaturization.
Used in inverters and converters in vehicles and on-ground facilities.
Expressway entries and exits
Expressway entries and exits
Takenaka has the technology to control both the revolution speed and direction of motors, without sensors.
Used in all kinds of drive controls.

関連製品

Expressway tollgates
Expressway tollgates
Technology for network transmission of monitoring-camera images and image processing for display on monitors.
Used in a range of devices installed in outdoor and indoor locations.

関連製品

Event and exhibition venues
Event and exhibition venues
UB Tech two-legged walking robots, capable of nimble movements including dancing.
In exhibition spaces, used for corporate PR events, etc. via corporate collaborations.

関連製品

Division of Bolts

Takenaka has established the ISO9001 quality assurance system, the international quality assurance system, to deliver bolts that satisfy all the needs of our customers manufacturing nuclear power plants and pressure vessel plants, which require a high level of reliability.

Corporate Vision

Division of Electronic Equipments

At Takenaka we believe our mission is to accept commissions for the design, manufacture, and quality assurance of small- to medium-quantity mass-produced products and special-order products requiring a high level of reliability based on design, manufacture, and evaluation of R&D prototypes with a high level of technical difficulty; to form a team with the customer; and to bring the product to completion.

Corporate Vision