Mr. Matthew Kichodhan

The company was established on September 9, 1999 by the head executive at that time,

Mr. Tan Passakornnatee

His first operation of Japanese buffet restaurant, “OISHI”.

Provide various kinds of products, and new service style. Expand itself by increasing amount of outlets, various

kind of food and bakery shops.

In 1999, the first branch of Oishi Japanese restaurant was established in Bangkok.

In 2002, Japanese noodle restaurant was operated under the brand “Oishi Ramen”

“Shabushi”, the Japanese buffet was operated in order to provide different kinds of consumer needs.

“Oishi Sushi bar” and “Log Home” were together established, aim to provide premium food.

Oishi Green Tea was launched

In 2003, IN&OUT bakery café entered into the market

Become public company in 2004

Started trading in SET under the name Oishi

Oishi Grand has firstly opened at Siam Discovery, focusing on luxurious image.

Amino OK was first produced and launched in 2005.

Reductions in unit cost as the size of usage levels of other input increase.

Efficiency of production increases when the number of goods being produced increases.

We can separate the economy of scale into two types:

1. Internal Economy of scaleLower input costs Specialize inputs Marketing economies of scale

2. External Economy of Scale

Marketing economies of scale

“Beverage of Leading Actors”

All kinds of benefit that firms will be able to receive by having two or more products.

Size of bottle Green tea leaf

Commercial Variety of products

Know-how Own distribution

Diversified risks

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