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  2. Trading company/Wholesale
  3. キーストンインターナショナル
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キーストンインターナショナル

EstablishmentMarch 30, 1990
capital1000Ten thousand
number of employees5
addressChiba/Kashiwa-shi/Someya Building 1F-A, 1-1-21, Sakasai
phone04-7175-8810
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last updated:Oct 30, 2025
キーストンインターナショナルlogo
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  • Products/Services(5)
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キーストンインターナショナル Company Profile

Keystone International is the keystone that connects Japan and the world.

Our staff, equipped with specialized skills and marketing abilities, searches for the latest cutting-edge equipment, including lasers, from around the world to offer to everyone in Japan. We wish to continue walking into the 21st century together with you. This is the desire of Keystone International.

Business Activities

Import and sales of semiconductor lasers, infrared detectors, telecentric lenses, piezo actuators, chillers, heat sinks, optical fibers, precision stages, etc.

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Products/Services (5)

All-in-one mid-infrared light source "GLIDER" product image
All-in-one mid-infrared light source "GLIDER"
Super luminescent diode: 760 to 2300 nm product image
Super luminescent diode: 760 to 2300 nm
Mid-infrared LED: 1750–6500nm product image
Mid-infrared LED: 1750–6500nm
InSb detector product image
InSb detector

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catalog(4)

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【English Version】Product Catalog for the High-Speed Amplitude Modulation Mid-Infrared Module "RF-HHL" by Alpes Lasers.

【English Version】Product Catalog for the High-Speed Amplitude Modulation Mid-Infrared Module "RF-HHL" by Alpes Lasers.

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Alpes Lasers QCL Laser Pointer

Alpes Lasers QCL Laser Pointer

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English Version: Alpes Lasers Co., Ltd. Mid-Infrared Light Source 'GLIFER' Product Catalog

English Version: Alpes Lasers Co., Ltd. Mid-Infrared Light Source 'GLIFER' Product Catalog

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Noliac manufactured piezo plate actuator

Noliac manufactured piezo plate actuator

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Detailed information

Company name キーストンインターナショナル
number of employees5
Contact addresspostalcode 277-0042 Chiba/ Kashiwa-shi/ Someya Building 1F-A, 1-1-21, SakasaiView on map TEL:04-7175-8810 FAX:04-7175-5669
Key PartnersGovernment offices, national and public universities, private universities, NEC Corporation, Canon Inc., Shimadzu Corporation, Sony Corporation, NGK Insulators, Ltd., Japan Signal Co., Ltd., Japan Spectroscopy Co., Ltd., Spectroscopic Instruments Co., Ltd., Hokuto Electric Co., Ltd., Mitutoyo Corporation, Omron Laser Front Co., Ltd., Gigaphoton Inc., Fujifilm Industries Co., Ltd., Hitachi, Ltd., Hitachi High-Technologies Corporation, Rion Co., Ltd., Takenaka Electronic Industrial Co., Ltd., Futaba Electric Co., Ltd., Hamamatsu Photonics K.K., Japan Electric Measuring Instruments Co., Ltd., Toshiba Corporation, Fujifilm Corporation.
Industry Trading company/Wholesale
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