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  1. Home
  2. Manufacturing and processing contract
  3. ワイ・デー・ケー
Manufacturing and processing contract
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ワイ・デー・ケー

EstablishmentNovember 18, 1952
capital10000Ten thousand
number of employees718
addressTokyo/Inagi-shi/Yasudate 1705-banchi
phone042-377-3831
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last updated:Aug 04, 2025
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  • Company information
  • Products/Services(17)
  • catalog(6)
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ワイ・デー・ケー Company Overview

We aim to achieve both environmental friendliness and QCD in the manufacturing of EMS/OEM/ODM products [communication equipment [EMS], semiconductor manufacturing equipment [OEM/ODM]].

We operate contract manufacturing (EMS/OEM/ODM) of communication equipment and various production devices with a motto of customer-first. ● Communication Equipment [EMS] Our production features cell production and multi-skilled worker production methods for diverse and variable production. We develop and manufacture products with consideration for environmental impact. ● Semiconductor Manufacturing Equipment [OEM/ODM] We handle everything from design to assembly and inspection of semiconductor manufacturing equipment. We have design technology compliant with SEMI S2, S8, and CE marking. ● Precision Machine Parts We can achieve precision cutting with an accuracy of 5 microns. (Aluminum, stainless steel, titanium, Inconel, engineering plastics) ● Commitment to Environment & Quality [EMS/OEM/ODM] As part of our QMS/EMS activities, we are working towards obtaining ISO9001 and ISO14001 certifications. We provide environmentally friendly, high-quality products. ● Factories [EMS/OEM/ODM] Domestic: Tono City in Iwate Prefecture, Kawasaki City in Kanagawa Prefecture, Inagi City in Tokyo, Miyaki District in Saga Prefecture Overseas: Jiangsu Province in China ● Other Achievements BMS, remote monitoring devices, embedded devices, TCP/IP protocol stack, IP core Next, we will introduce our achievements in EMS, OEM, and ODM products on this page.

Business Activities

**Contract Manufacturing of Production Equipment [OEM/ODM]** - Semiconductor manufacturing equipment - LCD manufacturing equipment - FA equipment - Paper transport control equipment - Wafer transport control equipment - Precision machined parts **Contract Manufacturing of Electronic Devices [EMS]** - Emergency earthquake alert reception terminals - Production line information transmission devices - Vending machine information transmission devices - Handheld optical network testers **Remote Monitoring Solutions** - Building facility management - Nursing and bed management - Taxi dispatch management and card payment - Monitoring of agricultural land and greenhouses - CAN data logger remote monitoring devices **Lithium-Ion Battery Systems** - Cell balance system for battery groups - Grid-connected smoothing energy storage systems - Mass production solar power energy storage systems **Design Services** - FPGA - H/W, S/W - Embedded networks **In-house Products for Embedded Systems** - TCP/IP protocol stack 'ySOCK' - Ethernet MAC IP Core 'yMAC' - IP Core 'yCORE Series' If you are considering EMS, OEM, or ODM for communication devices and various production equipment, please contact us.

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Products/Services (17)

Y.D.K. Corporation Technical Headquarters: Contract Manufacturing of Communication Equipment and Electronic Devices product image
Y.D.K. Corporation Technical Headquarters: Contract Manufacturing of Communication Equipment and Electronic Devices
Y.D.K. Corporation [Domestic Production (Cell Production) EMS] product image
Y.D.K. Corporation [Domestic Production (Cell Production) EMS]
Y.D.K. Corporation [Precision Machine Parts, Production Equipment OEM/ODM] product image
Y.D.K. Corporation [Precision Machine Parts, Production Equipment OEM/ODM]
Design and assembly of production equipment [FA equipment, LCD and semiconductor manufacturing/testing equipment] product image
Design and assembly of production equipment [FA equipment, LCD and semiconductor manufacturing/testing equipment]

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catalog(6)

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HDLC controller IP core yCORE-HDLC FPGA IP core

HDLC controller IP core yCORE-HDLC FPGA IP core

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AES Decryption IP Core yCORE-AES FPGA IP Core

AES Decryption IP Core yCORE-AES FPGA IP Core

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10G Ethernet MAC IP Core yCORE-10GMAC FPGA IP Core

10G Ethernet MAC IP Core yCORE-10GMAC FPGA IP Core

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TCP/IP Protocol Stack ySOCK6 Embedded Royalty-Free

TCP/IP Protocol Stack ySOCK6 Embedded Royalty-Free

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Detailed information

Company name ワイ・デー・ケー
number of employees718
Contact addresspostalcode 206-0811 Tokyo/ Inagi-shi/ Yasudate 1705-banchiView on map TEL:042-377-3831 FAX:042-378-5807
Key Partners- Alback Kiko Co., Ltd. - Irie Koken Co., Ltd. - Umezawa Giken Co., Ltd. - Ebara Manufacturing Group, Inc. - Canon Inc. Group - Omron Corporation - Japan Agency for Marine-Earth Science and Technology (JAMSTEC) - Japan Elevator Service Holdings Co., Ltd. - Sumitomo Electric Industries, Ltd. - Seiko Epson Corporation - Century Systems, Inc. - Tamron Co., Ltd. - Tokyo Electron Limited Group - Tokyo Seimitsu Co., Ltd. - Toko Takata Co., Ltd. - Toshiba Mitsubishi Electric Industrial Systems Corporation - Nikon Group, Inc. - NEC Corporation Group - Hitachi Group, Inc. - Fujitsu Telecom Networks Limited - Fujifilm Techno Products Co., Ltd. - Media Links Co., Ltd.
Affiliated companies: YDK Kyushu Co., Ltd., Wangtian Kai Precision Instruments (Kunshan) Co., Ltd.
Industry Manufacturing and processing contract
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