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About Us


Acting Toward Globalization

KYOTO SEMICONDUCTOR Co., Ltd. has been steadily expanding its scope of activities both at home and abroad, in line with the globalization of the economy.

We provide high-quality, high-value-added opto-semiconductor devices and revolutionary spherical micro solar cells (Sphelar®) based on proprietary optoelectronic technology to Japan and many other parts of the world.
In recent years, we have been aggressively carrying out overseas sales activities, and our reputation has been rising among users in other countries.
With world-class technological prowess, we will actively tap new markets.

Sales, Production and R&D in Japan

Sales activities in west and east domestic parts in Japan have been based on Kyoto and Tokyo sales offices, respectively. Production line is built up among two facilities in Eniwa-city and Kamisunagawa-cho, One is called the Eniwa Plant, where research & development through production is seamlessly carried out. Another is called the Kamisunagawa Plant, where production is specialized in volume of products. Both are located in Hokkaido, Northern parts in Japan.
In further details, the Eniwa Plant functions as a central research laboratory and is directing for light emitting and photodetecting devices to range more shorter from UV toward Deep UV(less than 300µm) or more longer from Infrared toward Mid-wavelenght Infrared(3-8µm)region, respectively.

  • Headquarters / Kansai Sales Office

    Headquarters /
    Kansai Sales Office

  • Tokyo Sales Office

    Tokyo Sales Office

  • Eniwa Operation
Microgravity Utilization Laboratory

    Eniwa Operation Microgravity Utilization Laboratory

  • Kamisunagawa Operation

    Kamisunagawa Operation

Overseas Sales Network

Our overseas sales volume in recent years has been increased dramatically around the Southeast Asia. In conjunction with this trend, we are enhancing our sales activities in each market.
We are maintaining and developing sales channels in accordance with regional circumstances and customers' requests, and working on building a framework that can quickly and unfailingly supply products in demand, including newly developing and improving the lineup of products targeted at overseas users.

Sales force in North America

The United States as the birthplace of a leading-edge optoelectronic industry is still a strategically important market.Therefore on October 1st 2005, in Santa Clara, USA, we established the "Kyosemi Opto America Corporation" of 100% owned subsidiary and we aggressively expand sales activities along with investigation of technology trend.
We also plan to expand our supply of products into North America under close cooperation of sales agents with focusing more on the future development of sales networks.

In Asia

We supply products mainly to China, Hong Kong, Taiwan, and Korea. The recent Southeast Asian market is very remarkable for its rapidly growing trend. Especially an expansion of Chinese market is outstanding along with the increasing indirect and steady inquiries by way of Hong Kong and Taiwan. It is considered as a background that a demand for Internet infrastructure over China is extremely strong. And we are ready for mass production of our related products with necessary efforts to ensure a constant supply of products to meet demands of our customers.
On the other hand, In Korea, an increase in demands for electronic equipments for the United States is very strong. We are making efforts to supply the characteristic products that are designed for its incorporation into such equipments under our related market research. Moreover, we are maintaining our standing sales roots for product supply and are now and together reorganizing them.
We are enhancing our service network in abovementioned areas.

In Europe

Europe is divided into three districts of Scandinavia, Central and Southern Europe and we are engaged in sales while working closely with our local agents in each major country.
The agents are established particularly in major countries such as England, Denmark, Germany and Italia as below. We are just now in sales of products under the close relationship with each agent and we plant to further reinforce our sales network based on the actual demands from customers in each major country.


In the districts such as other Eastern European countries around Russia, the Middle East countries around Israel, Mediterranean countries around Egypt and South American countries around Brazil, there are demands for our products and we are trying to expand our product supply to abovementioned districts.

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New Products

Si APD module KPM100
Si APD module integrated with a high speed transimpedance amplifier and a high voltage bias source.
Low profile parallel beam LED KED050-H23
Parallel beam LED with a newly designed low profile lens for optical encoders.
Photovoltaic power converter KPC8-T
High efficient power converter from 1300-1600nm laser light into electrical power.

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