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Latest update: 27/04/2017 14:08:06

Ichikura Seisakusho Co., Ltd.

Our company manufactures various resin products by means of micro injection molding and insert molding methods.

We are an injection molding manufacturer that possesses micro injection molding and insert molding technologies. We manufacture cosmetics containers, auto parts, medical devices, electrical parts, and amusement device parts. We entered the cosmetics container business in 2001, and subsequently developed and manufactured the world’s first resin mascara brush. We have mass-produced as many as 5 million units of this product. Our resin mascara brush has three lines of diameter 0.2 mm projections on the tip. We applied high-precision die design technology and degassing technology (from within the die) to fill resin around the tip, and to release the die smoothly. In medical device field we manufacture syringe needles entirely from resin. These products can be filled with liquid to the very edge. 


Other presentation

[Company strength]
Our company can be quite agile from development to mass production, and we provide 24-hour shifts in trial and small-lot production. We inspect new dies and prototype moldings in detail using 3D measuring instruments, measuring microscopes, and regular microscopes. This is to ensure that there are no defects in terms of accuracy, color, or surface condition. The molding lines in mass production are supervised by our quality manager and site manager. Moldings are double-checked on-site (total inspection) as well as at the QA stage (quality check). All our products are recorded by the manufacturing equipment in daily reports, and sorted, managed, and stored accordingly to ensure complete traceability. 

[Business description]
Our company manufactures and assembles plastic molding products, and designs and manufactures molding dies for cosmetics containers, auto parts, medical devices, electrical parts, and amusement device parts. Our main business was initially electrical part production. Our company entered the cosmetics container business in 2001, and subsequently developed and manufactured the world’s first resin mascara brush. We later entered other fields, such as transportation equipment and medical devices, while constantly working hard to improve quality and technology to earn trust and high evaluations from our customers. 

Plastic molding manufacturing and assembly; molding die design and manufacturing

[Strength of products/technologies]
Our core technologies are micro injection molding and insert molding. In the field of micro injection molding we can apply our original high-precision die design and manufacturing technology, micro injection molding technology, and degassing technology (from within the die). We made use of this technology to develop and manufacture the world’s first resin mascara brush (over 5 million pieces have been produced so far). We possess original integral molding technology in the insert molding field for joining multiple dissimilar resin materials with printed and coated lenses. 

[Representative's message]
Our company has been providing technologies and services to our customers by bringing together the wisdom of our employees since our establishment in 1965. We try to take on challenges, and improve our own skills and technologies, even when other molding manufacturers find it difficult. R&D is another focus area in our company, and we are always developing new technologies with support from other organizations. This includes subsidy programs like the Strategic Core Technology Advancement Program, and joint research with universities and public research organizations. Our company loves Monozukuri craftsmanship, and we all work hard under the philosophy that nothing is impossible, so we will think of ways to get the job done. 

[Company structure for market development/overseas expansion]
Sales representatives who have extensive knowledge on plastic fabrication respond to customer inquiries, and provide comprehensive customer support throughout the manufacturing process, from development to mass production. Our representatives may visit the customer’s site if necessary, and gather and manage information to solve problems, and we provide the same sincere support for overseas customers.

[Market share/Ranking]
We have manufactured over 5 million units of resin mascara brushes, so we assume that this product has a certain market share. 

[Awards and media coverage]
Gunma Prefecture One Company One Technology certification; Kanto Bureau of Economy, Trade and Industry certification.

Nikkan Kogyo Shimbun, “Kata Gijutsu” magazine; Japan Society of Polymer Processing, “Seikei Kako” magazine; Kanto Bureau of Economy, Trade and Industry, “Itto Jukken” PR magazine; Gunma Industry Support Organization, “Kigyo Support Gunma” PR magazine; Gunma Keizai Shimbun.

ISO 9001:2008.

[Joint research and development]
We have two pending applications.

[Main Clients / Business History (domestic)]
Our auto parts, cosmetics containers, and amusement device parts are indirectly delivered to major manufacturers. 

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ