Specialty Manufacturerof Powder
and Granular Material Feeders


Powder and granular materials are used and support us in many parts of life. These materials each have different properties, and some are difficult to discharge.
Yoshikawa develops equipment that can smoothly feed all kinds of materials.
With its know-how and technology, Yoshikawa solves feeding problems that were once unsolvable.

The Circle Feeder is the only product that can overcome powder and
granular material feeding problems that are considered too difficult.

The Circle Feeder has overcome a number of feeding challenges and has been the savior of many powder and granular material feeding processes, with more than 10,000 units delivered to users.With our unique technology, Yoshikawa is determined to take up new challenging issues to meet the expectations of customers.


A wide variety of products are available to cope with diverse materials, including the Circle Feeder® and its sister models.


Yoshikawa products are used in 37 countries around the world.

We have delivered our products to more than 2,000 companies in Japan and overseas, with the proven application of more than 2,000 varieties of powder and granular materials. Yoshikawa products have been employed in diverse production lines not only in Japan but in 37 countries worldwide.

●Examples of domestic user companies
Mitsubishi Chemical Corporation
Nippon Paper Industries Co., Ltd.
Meiji Co., Ltd.
Panasonic Corporation
FUJIFILM Corporation
●Examples of overseas user companies
LG Chem Ltd.
Hewlett Packard
Michelin NA R&D
View the list of user companies.

Search by material.

Yoshikawa has a track record of successfully handling a wide variety of materials. You can check this in the product introduction pages and videos.

Click HERE for video. Click HERE for fed material list.
Click HERE for video. Click HERE for fed material list.

Case study

We have been consulted by companies from diverse industries and solved countless issues.
Application examples of delivered products are introduced by industry and by problem.

Yoshikawa’s service system

To those who are considering using our product, we provide support ranging from free prior testing to after-delivery service.

  • Support system

    In the event of any undesirable issues arising after employment of our product, we provide support to help solve the problem.

    Click HERE for details.
  • Free testing service

    Prior testing helps customers to employ our products without worries as they can confirm performance in advance.

    Click HERE for details.



2023.11.30 [Notice of winter holidays]
Our office will be closed on 29th December – 7th January for the winter holiday and reopen the office on 8th January.
2023.09.30 The homepage was renewed
2023.08.04 Please be informed that our office will be closed for the summer holidays from August 12 to August 16.
2022.12.06 Our office will be closed on 29th December – 3th January for the winter holiday and reopen the office on 4th January.
2022.09.30 Wood Pellets
View the news list.

Reasonable, standard-type Circle Feeders are offered by Circle STD.

Official website of Circle STD Corporation. The company manufactures and sells Circle Feeders (standard type) in tie-ups with Yoshikawa Corporation. Standard-type Circle Feeders are versatile feeders applicable to all types of powder and granular materials. They enable storage and feeding of difficult-to-discharge materials while preventing bridging and segregation.


Please feel free to contact us for a consultation, inquiry, or request for a quotation regarding our products.
We also accept inquiries by phone or fax.


Phone inquiry hours: 8:30 a.m. to 5:00 p.m. Japan time
(except Saturdays and Sundays)
Fax inquiries can be received at any hour.