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  1. Home
  2. Testing, Analysis and Measurement
  3. 検査技術研究所
Testing, Analysis and Measurement
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検査技術研究所

EstablishmentApril 3, 1961
capital4000Ten thousand
number of employees30
addressKanagawa/Kawasaki-shi, Kawasaki-ku/2-16-18 Kawachinokami
phone044-277-0122
  • Official site
last updated:Dec 09, 2025
検査技術研究所logo
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  • Products/Services(14)
  • catalog(11)
  • news(4)

検査技術研究所 Company Profile

We respond to detailed customization requests and contribute to our customers' quality assurance!

KGK Co., Ltd., a specialized manufacturer of ultrasonic probes, supports your safety management through the production of ultrasonic probes. As a manufacturing group, KGK is committed to meeting your needs and also accepts orders for custom-designed probes in addition to standard probes. If you have any issues regarding ultrasonic probes, please feel free to consult with KGK.

Business Activities

■Manufacture and sale of various types of ultrasonic testing probes, probe cables, and other accessories - Ultra-small vertical probes, ultra-thin vertical probes, small vertical probes, vertical probes with protective film, transverse wave vertical probes, wideband vertical probes, probes with delay materials, point-focused vertical probes - Ultra-small immersion probes, ultra-thin immersion probes, immersion probes, wideband immersion probes - Angled probes, ultra-small angled probes, longitudinal wave angled probes, surface wave probes, angled probes for rebar gas pressure welding, SH wave probes, wideband angled probes, point-focused angled probes - Dual transducer vertical probes, dual transducer angled probes, dual transducer longitudinal wave angled probes - Low-frequency probes, high-temperature probes, TOFD probes, variable angle probes, pencil-type probes, mirror reflection probes, automatic testing probes, small insertion probes, roller (tire) probes, air-coupled ultrasonic probes, guided wave probes, non-couplant probes, internal multi-channel probes, switchable angled probes - Linear array probes, matrix array probes - Custom manufacturing of probes - Probe cables, standard wedges/delay lines, flexible gel wedges for ultrasonic testing, jig manufacturing

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Products/Services (14)

contact probe for ultrasonic flaw detection product image
contact probe for ultrasonic flaw detection
Angle beam probe product image
Angle beam probe
Non-couplant probe (dry coupling ultrasonic probe) product image
Non-couplant probe (dry coupling ultrasonic probe)
Wedge for ultrasonic transducer (wedge for ultrasonic probe) product image
Wedge for ultrasonic transducer (wedge for ultrasonic probe)

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catalog(11)

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Oblique angle probe

Oblique angle probe

PRODUCT
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Array probe (phased array probe)

Array probe (phased array probe)

PRODUCT
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Water immersion probe

Water immersion probe

PRODUCT
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Small probe

Small probe

PRODUCT
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news(4)

DSCN5956.JPG

Alfa Miraj Inc. exhibited a Non-Couplant probe at the International Jewelry Exhibition.

  • UPDATE
  • PRODUCT

KGK's Non-Cuplant probe was exhibited at Alphamirage Co., Ltd.'s booth (East Hall 6:23-46) at the International Jewelry Exhibition held at Tokyo Big Sight from January 14 to 17. KGK's probe is also useful for evaluating the quality of precious metals.

Jan 15, 2026

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Notice of the 65th Anniversary Celebration

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KGK will celebrate its 65th anniversary in April 2026.

Dec 09, 2025

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DSC_1057コピー.JPG

Announcement of the ultra-compact probe catalog update.

  • PRODUCT

Until now, we have only published information about the ultra-compact probe "Chibi-Takun" and the ultra-thin probe "Pechako-san," but we have now compiled a catalog of small probes by adding the ultra-compact angled probe and the small insertion probe. We have also renewed the introduction page on Ipros along with the new catalog.

Dec 08, 2025

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Detailed information

Company name 検査技術研究所
number of employees30
Contact addresspostalcode 210-0803 Kanagawa/ Kawasaki-shi, Kawasaki-ku/ 2-16-18 KawachinokamiView on map TEL:044-277-0122 FAX:044-277-0120
Industry Testing, Analysis and Measurement
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