DAINICHI Machine and Engineering Co.,Ltd.

Level 15,Yokohama ST Building
1-11-15 Kitasaiwai, Nishi-ku Yokohama City,
Kanagawa Pref. Japan 220-0004
TEL:+81(045)311-6803




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Company Overview

Company Name :

DAINICHI Machine and Engineering Co.Ltd.

Established :

October 1, 1965

Capital :

50M JPY

President and CEO :

Masahiro Kobayashi

Locations :

< Headquater >:
15th FL, ST Building 1-11-15 Kitasaiwai, Nishi-ku Yokohama,
Kanagawa 220-0004 Japan
   TEL:+81-45-311-6803 Fax:+81-45-314-6049
< Kamisugeta Branch >:
1332-11 Kamisugeta, Hodogaya Yokohama, Kanagawa. 240-0051 Japan
   TEL:+81-45-374-0932 Fax:+81-45-374-0945

Our Services :

Design and manufacture of mechanical equipments
Design and manufacture of plants
Structure analysis
Flow dynamics analysis
Plant engineering supports

We have a particularly strong record in the design and manufacture of devices and equipment. Over the past 30 years we have made many contributions to the design and manufacture of new developments in internal and external equipment for reactors of nuclear power plants, including repair, maintenance, and inspection device and remote-controlled underwater robots. In recent years we have also been working in hydrogen production processes and other equipment development for new energy projects, as well as the development of high-speed automatic inspection equipment for air crafts. In addition, we have also been working in evaluation of the structure by various numerical analysis including the finite element method. And we contribute to the society through various engineering evaluation duties of the nuclear plant.

Main Clients :

TOSHIBA Corporation
IHI Corporation
Tokyo Electric Power Company
Tokyo Electric Power Service Co.,Ltd.
TODENKOGYO Co.,Ltd.
Japan Nuclear Fuel Limited
Nuclear Service Company
SHIMIZU Corporation
Japan Nuclear Energy Safety Organization
Japan Atomic Energy Agency
Marubeni Utility Service, Ltd.

Recent Activities :

< A device design, production >
Nuclear power plant
Thermal power plant
Hydrogen production plant
Non-destructive examination for air plane
Nuclear fuel reprocessing institution

Thermal power plant    


:Inspection and repair device
:Part for exchange
:Resolution element test device sulface
:High-speed automatic inspection equipment
:Automatic handling device and design to make a device
  domestic production
:Cleaning device for cooling water intake

<Technical evaluation, support >
Nuclear power plant
Nuclear power plant

Nuclear power plant

Thermal power plant


:Technical evaluations on aging fo nuclear facilities
:Making support of international standard for nuclear power
 plant high aging
:Waste disposal treatment technology confirmation examination
 device design, production, an examination, evaluation
:Evaluation to make replacement parts for domestic production

<Analysis, support >
Nuclear power plant
Nuclear power plant
Nuclear power plant
Nuclear fuel reprocessing institution
Nuclear fuel reprocessing institution
Nuclear power plant
Commercial architecture
Aerp space


:Stress analysis of the structure in the nuclear internals
:Stress analysis of the reactor pressure vessel
:Stress analysis of the turbine part
:Stress analysis of the equipments in the institution
:Vibration analysis of the piping
:Flow analysis in a heat exchanger and the piping
:Frame structure analysis
:Dynamic response analysis

Copyright (c) 2011 by DAINICHI Machine and Engineering Co.,Ltd. All rights reserved.