About IWASEI Co., Ltd.

We are a leading company of Mackerel Products in Japan and a professional of UMAMI.

We won the Minister of Agriculture, Forestry and Fisheries Prize(Salted Mackerel) and Director General of the Fishries Agency Prize(SHIME-SABA, Pickeled Mackerel)

Please see the Company Profile below.

Our Mackerel Products

Fish Bouillon Ramen

-How to Cook Ramen

Mackerel Ramen(Raw Noodles) 


Cooking Image - SHOYU Ramen


In recent years, Mackerel has gained high popularity due to its high nutritional value and delicious taste in Japan and Ramen is now highly recognized as one of the most popular Japanese food.

This Ramen is No pork and No alcohol formula under the concept of "Bringing the Deliciousness of Mackerel from Japan to the World.


  • We have 3 flavors - SHOYU, MISO and SHIO
  • SHIO flavor - " Awarded "Gold award" at Shizuoka Pref. New product Selection 2019.
  • Fresh Noodle ( You can eat Ramen as if you are eating Ramen at the Ramen Restaurant)
  • Keep frozen (-18℃) 
  • 15 months from production
  • We have the products for both professional Use and retail


As for inquiry about purchasing our products, we can introduce the Global business partners for the professional use and retails. For further information, please contact us from the below Inquiry.

Notice: We cannot respond to inquiries other than purchasing.  Any attachment files are not allowed.

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Mackerel Ramen(Dry  Noodle) 


This Ramen is No additive, No meat and No alcohol formula under the concept of "Bringing the Deliciousness of Mackerel from Japan to the World.


  • We have 2 flavors - SHOYU and, MISO
  • Preservation at a Normal temperature
  • 1 Year from the production


Mackerel SHOYU Ramen(Dry Noodle)


Our Mackerel SHOYU Ramen has rich UMAMI of Mackerel.


  • NO Additive
  • NO MSG
  • NO Meat
  • NO Alcohol
  • NO Artificial Color


Mackerel MISO Ramen(Dry Noodle)


  • NO Additive
  • NO MSG
  • NO Meat
  • NO Alcohol
  • NO Artificial Color


Traditional Mackerel Sushi

The skillful combination of salt and vinegar and beautiful finish have been highly evaluated and our Shime-Saba was awarded "Director- General of the Fisheries Agency Award"


Pickled Mackerel with Red beets salad


Smoked Mackerel with Mashed potatoes



Our Mackerel Rillettes

About IWASEI Yaizu

Mt. Fuji view from Yaizu

Iwasei was founded in 1832 Tempo period(Edo-period) as a fish merchant and we have more than 180 years history. Iwasei has moved forward with history of Yaizu fishries industry. During the turbulent times, Iwasei has managed a wide variety of fish business such as purchasing fresh fish, seafood processing, wholesale, freezer and storage service. Iwasei has provided delicious Iwasei-branded products. Our product,Shime-saba(mackerel) received a prestigious award by Director General of Fisheries Agency.

Above three photos - Very old photos taken by our ancestors.


Above three photos - our current operations.


Our Products

Pickled Mackerel Sushi using our Shime-Saba(pickled mackerel)

Our products are delicious, safe and they are consumer-ready food. For example,if you would like to make the mackerel Sushi for home cooking or party, you can make it very easily!! Please prepare the vinegared rice and put that rice to Shime-saba and wrap it then wait 2 hours. You can enjoy authentic mackerel Sushi as Sushi chef made.

Our mackerel has been used by professional Japanese Washoku(Japanese food)chefs in Kyoto, Osaka and Wakayama.
Our products are beautiful and genuine. 



Pickled mackerel and Smoked mackerel

Salted mackerel ( Only 5 minutes to eat by microwave oven!)

Our mackerel can be used for many recipe.


For more detail, please visit our Instagram or Blog.

Freezer and Storage Service

Iwasei has the biggest freezers in this area and our professional technical experts can provide suitable freezer service for the customer's important materials and products and store in the right way. Please use our freezer and storage service for your important fish, fruits and frozen meals.


〈#1 Freezer and Storage〉Freezer class 

-35℃ capacity 200t Freezer 8T/D 

〈#2 Freezer and Storage〉Freezer class 

-35℃ capacity 1,300t Freezer 10T/D 

〈#3 Freezer and Storage〉Freezer class 

-35℃ capacity 3,000t bonded warehouse