Our Products
- Our Products
  
  Seal products
  
  Industrial rubber/resin products
  
  Vibration and sound isolators
  
  Electronic products
  
  Industrial functional products and special products
  
  Functional membrane products
  
  Products for office automation equipment
  Our Products
  
  Seal products
  
  MORE
  
  List of seal products
  
  Oil seals
  
  Packing
  
  O rings
  
  Soft Metal
  
  Seal washers
  
  Mechanical seals
  
  Lip seals
  
  Segment seals
  
  Brush seals
  
  Static metallic gaskets
  
  Kalrez
  
  Magnetic fluid seals
  
  Hybrid seals
  
  Stern tube seals
  
  Industrial rubber/resin products
  
  MORE
  
  List of industrial rubber/resin products
  
  Industrial rubber products
  
  Iron Rubber products
  
  Iron Rubber belts
  
  Iron Rubber products for road safety
  
  Engineering plastic products
  
  Synthetic rubber “Noxtite”
  
  Industrial organic chemicals “CHEMINOX”
  
  Phenolic molding materials
  
  Vibration and sound isolators
  
  MORE
  
  List of vibration/sound isolators
  
  Vibration and sound isolators
  
  Electronic products
  
  MORE
  
  List of electronic products
  
  Flexible printed circuits (FPCs)
  
  Precision rubber/resin products
  
  Industrial functional products and special products
  
  MORE
  
  List of industrial functional products and special products
  
  Solenoid valves
  
  Actuators
  
  Accumulators
  
  Metallic bellows
  
  Couplings
  
  Carbon bearings
  
  Products for household appliances
  
  Compressor valves
  
  Recoil starters
  
  Special lubricants
  
  GLEITPAN
  
  Water and oil repellent NOXBARRIER
  
  Functional membrane products
  
  MORE
  
  List of functional membrane products
  
  Water-purifier membrane modules
  
  Industrial membrane modules
  
  Hollow fiber membranes for MBR
  
  Humidifying membrane modules
  
  Products for office automation equipment
  
  MORE
  
  List of products for office automation equipment
  
  Products for office automation equipment
- Products for use in automobiles
  
  MORE
  
  Products for use in general industrial equipment
  
  MORE
  
  Products for use in electronic information devices
  
  MORE
  
  Products for use in office automation equipment
  
  MORE
Technologies
Technologies
- General-purpose seal technology
  
  Seals are indispensable sealing devices used in automobiles, airplanes and other vehicles, construction machines, equipment at petrochemical plants, home appliances, and various other machines. NOK offers a wide variety of seal products of very high reliability, including oil seals, based on its constant and focused research on materials, workings, and design.
  
  MORE
  
  Introduction
  
  Introduction
  
  Materials and features
  
  Oil seals
  
  Description
  
  Oil seals
  
  Lip Gaskets
  
  Squeeze gaskets
  
  Non-metallic gaskets
  
  Other seals
  
  Trends of standards
  
  Trends of standards
  Rubber/resin materials
  
  Rubber and resin materials are common materials of seals, which are NOK’s flagship products. It is necessary to select an appropriate material for each seal after careful consideration of its purposes and use environment.
  A variety of rubber and resin materials used for seals are described below.
  
  Introduction
  
  Types of Rubber/resin materials
  Flexible printed circuit technology
  
  Flexible printed circuits (FPCs) are thin, light, and able to bend without breaking. FPCs are studied day to day to respond to an ever-increasing variety and growing complexity of electronic equipment.
  
  Report on flexible printed circuit (excerpts)
Company Information
Company Information start
- Message from the CEO
  
  NOK CORPORATION is Japan’s first oil seal manufacturer. Our functional parts created through our advanced seal technologies, including oil seals and mechanical seals, are commonly used in the automotive industry and various other fields. With technologies and expertise that we have developed since our founding, we have grown to be the most reliable company in this field.
  
  MORE
  Company Profile
  
  MORE
  History
  
  MORE
  Corporate Brochure
  
  MORE
  Corporate Movie
  
  MORE
  Domestic Office
  
  MORE
  Domestic Group Companies
  
  MORE
  Overseas Group Companies
  
  MORE
  Procurement Information
  
  MORE
  
  Procurement Policy
  
  Green Procurement Guidelines
  
  Supplier
News Release
CSR Activity
CSR Activity
- Message from the President
  
  This page contains a message regarding CSR from top management.
  
  MORE
  Concept of CSR
  
  As stated in its Charter of Corporate Behavior, the NOK Group supports the development of the economy and society, and also operates its business in such a manner that all stakeholders, together with the NOK Group, can continue pursuing their dreams with pride.
  
  MORE
  Governance
  
  The corporate governance of the NOK Group is described below.
  
  MORE
  
  Governance
  
  Corporate Governance
  
  Our CSR Organization
  
  Risk Management/Compliance
  Social
  
  The CSR activities of the NOK Group are described below.
  
  MORE
  
  Social
  
  Social / Local Area Activities
  
  Environment Conservation Activities
  
  Developing and Supporting the Next Generation
  
  Sports Promotion Activities
  
  Information Disclosure
  
  The Past Performance
  Environment
  
  The NOK Group’s policies, approaches, and achievements concerning the environment are described below.
  
  MORE
  
  Environment
  
  Environmental Management
  
  Global Warming Countermeasures
  
  Resource Saving and Recycle
  
  Conservation of Water Resources
  
  The Strategy to Reduce Environmental Burden
  
  Environment-Conscious Product
  Twin Green Plan
  
  The Sustainable Development Goals (SDGs) that the NOK Group is working toward are described below.
  
  MORE
  Human Rights Policy
  
  The NOK Group's Human Rights Policy is described below.
  
  MORE
  CSR Report
  
  Click here to see NOK’s CSR Report.
  
  MORE
  Quality Assurance System
  
  The NOK Group’s quality management system and efforts concerning quality are described below.
  
  MORE
Investor Relations
Investor Relations
- To Our Shareholders
  
  This page contains a message to shareholders and investors from Masao Tsuru, President.
  
  MORE
  IR News
  
  MORE
  Financial Highlights
  
  MORE
  
  consolidated
  
  non-consolidated
  Financial Results
  
  MORE
  
  Business Report
  
  MORE
  
  Financial Library
  
  MORE
  IR Calendar
  
  MORE
  Stock Information
  
  MORE
Contact
- JP
- EN

Governance

Corporate Governance

Corporate Governance

MORE
Our CSR Organization

Our CSR Organization

MORE
Risk Management/Compliance

Risk Management/Compliance

MORE

ESG

ESG

Environmental

MORE
Social

MORE
Governance

MORE