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Corporate Profile

Company Data

Name Kyosemi Corporation
President and Representative Director Naohiro Yokogawa
Established April 26 , 1980
(New Kyosemi Corporation founded May 24 , 2016)
Capital Paid-up capital 310.0 million yen
Description of Business Research and Development, Manufacturing and sales of opto semiconductor devices including opto semiconductor elements and optical and opto sensors, optical communication-use devices, and other semiconductor-related products.

Business locations

307-21 Nishiote-cho Fushimi-ku Kyoto
612-8362 Japan
Tel +81-75-605-7311 Fax +81-75-605-7312
Tokyo Sales Office
(Service started on 14th March 2005)
24th Sky Building 2nd and 4th Floor
1-34-3 Shinjuku Shinjuku-ku Tokyo 160-0022 Japan
Tel +81-3-5312-5360 Fax +81-3-5312-5367
Kansai Sales Office
(launched on 1st July,2007)
307-21 Nishiote-cho Fushimi-ku Kyoto
612-8362 Japan
Tel +81-75-605-7314 Fax +81-75-605-7312
Eniwa Operation
385-31 Toiso Eniwa-shi Hokkaido 061-1405 Japan
Tel +81-123-34-3111 Fax +81-123-34-8823
Kamisunagawa Operation
70-1 Kamisunagawa Kamisunagawa-cho
Sorachi-gun Hokkaido 073-0200 Japan
Tel +81-125-62-3611 Fax +81-125-63-2055


Kyosemi Opto America Corporation
4655 Old Ironsides Suite 230 Santa Clara, California 95054 USA
Tel 408-492-9361 Fax 408-492-9843

Search Product

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New Products

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.

News & Topics

  • IR+UV EXPO (OPIE'18),
    Apr.25~27, 2018 (Pacifico Yokohama, Japan / Booth # F-35 )
  • Kyosemi Corporation will exhibit at OFC2018
    March 13 to 15, 2018 (San Diego Convention Center, San Diego, California, USA / Booth #5810)