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Our uniquely refined technologies are gentle to both people and the planet. Inquiries to this Company Japanese

Chemical Industry
HOKOKU Co.,Ltd. 

Company Overview

Our company manufactures and sells castor oil and chemical products such as sebacic acid which are derived from castor oil. These products are used as intermediate materials in industry, and are not normally encountered directly by the general public. However, these materials are used in a number of products in our daily lives, ranging from pharmaceuticals and cosmetics to paints and other items. Our company's products contribute greatly to the world of industry. Our products are gentle to the global environment and to the human body, and are expected to be increasingly in demand in the future. We supply natural, plant-derived products that are environmentally friendly and contribute to reducing carbon dioxide.

Our company does not only produce natural castor oil and castor oil derivatives (sebacic acid, etc.), but also creates a number of fine chemicals with multiple ingredients that are used in many industries including those involved in electronics, pharmaceuticals, chemicals, construction, and products used in automobile manufacturing.
Highly-Purified Chemical Products (Refining Technologies, Oxidation Technologies, Esterification Technologies, High-Functionality Resins, Naturally-Derived Antibacterial Agents, Etc.) Manufacturing
80% Domestic Market Share for Sebacic Acid (Castor Oil Derivative)
Our company will continue to refine its oil and resin manufacturing technologies, and will offer these high-purity, high-quality, high-functionality products to a number of industries. Plant resins, chemical products, castor oil and castor oil derivatives are essential for industry, society, and daily life, and as such we strive to contribute to society by manufacturing these products and meeting the diverse needs of our customers.
Technical Area Information
Processing Technologies  Divided into Three Manufacturing Categories: Materials, Processing and Manufacturing
MaterialsProcessing TechnologiesProcessingProducts and Uses
Synthetic Aliphatic AcidOxidation Technologies・Other ProcessingNylon and Lubricants
Materials for Makeup
Polyester PolyolUrethane Resin・Other ProcessingElectronics Parts
Final Products  Products that Utilize the Commodity Items and Technologies Possessed
AutomobilesGrease and Lubricants・Automobiles
Urethane AdhesivesBase Polymers・Pharmaceutical Products
Machine ToolsLubricants・Machine Tools
Manufacturing Capabilities
Main Product Manufacturing Capabilities
Castor Oil and Castor Oil Derivatives: 10,000t/Year
Sebacic Acid and Sebacic Acid Derivates: 10,000t/Year
Polyester Polyol: 30,000t/Year
Machinery and Equipment Possessed
Machine NameProcessing CapabilitiesNumber of Machines
Aliphatic Acid Continual Reaction Equipment250t/m3 Units
Resin Reaction Equipment400t/m5 Units
Aliphatic Acid Processing Equipment200t/m2 Units
Aliphatic Acid Processing Equipment600t/m8 Units
Main Product Manufacturing Capabilities
Blood Serum Separating Agent : 2
Lubricants : 1
Urethane Resin : 1
Antibacterial Agent : 1
Main Product Manufacturing Capabilities
・ISO 9001  Acquisition:1994
・ISO 14001  Acquisition:2000
Main Product Manufacturing Capabilities
Our company uses materials that conform to the needs of the customer, and processes orders in a unified manner from the plans to the finished product.
Company Infomation
Address 4-170, Oihara, Yao City, Osaka 581-0092, Japan
TEL +81-(0)72-949-4121
FAX +81-(0)72-949-9124
Representatives Kazuaki Imagawa
Date of Establishment 1951
Capital 92,000,000 yen
Number of Employees 98 people
Industry Chemical Industry
URL http://www.hokoku-corp.co.jp


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