Innovative Total Solutions for Creating a Sustainable and Prosperous Society

The environmental and social infrastructure business consists of six companies, working collectively to drive diverse initiatives toward the realization of a sustainable society.

• In the field of energy related equipment, the integration of communication and measurement technologies enables cutting-edge automation and operational efficiency improvements.
• Leveraging heat treatment technology to drive sustainable product development and contribute to reducing environmental impact.
• In the e-commerce sector, accelerating automation in logistics and operations to enhance efficiency and optimization.
• Utilizing advanced optical technology to optimize the maintenance and management of environmentally friendly lighting while supporting high precision component inspection.
• Accelerating research and development of advanced technologies for plastic reduction and CO2 emission reduction, contributing to the creation of a sustainable future.
• In the linen supply sector, the processes of washing, sorting, and delivery are quantified, mechanized, and automated to maximize operational efficiency and ensure stable quality.
• Addressing labor shortages while advancing hygiene management, supporting safer and more efficient operations.

Integrating these technologies and expertise to reduce environmental impact and contribute to the development of a sustainable society.

Since its founding in 1993, Okura Electric has continuously pursued cutting-edge technology while leveraging its accumulated expertise to provide high-quality and high-performance products, contributing to the establishment of a robust social infrastructure.

With “measurement, communication, and control” as our core technologies, we contribute to building social infrastructure through industrial instruments and control communication devices, while addressing diverse needs across various industrial sectors.

YAC Denko has been addressing customer needs with innovative technologies under the theme of “High-Power Heating”.

In the field of mold heating, the company has achieved outstanding results by utilizing its core technology, the "Die Heater," delivering exceptional performance in the heating of castings and various molds. This has earned high praise from major automotive and steel manufacturers, as well as many other valued customers.

Furthermore, by promoting energy efficiency and cost reduction, YAC Denko contributes to environmental sustainability and strives to be a company that supports a sustainable future.

YAC Machinery Co., Ltd. began its journey with the development of packaging machines for food products, later expanding into packaging machines for cleaned items, and eventually broadening its business scope to cover cleaning finishing machines as a whole. In the home cleaning sector, the company has actively expanded its distribution channels from the domestic market to international markets, contributing to the growth of the linen supply industry. Furthermore, in the apparel sector, YAC Machinery leverages automated packaging technology to create new market opportunities, driving innovative initiatives forward.

We manufacture optical double-sided automatic optical inspection (AOI) systems for flexible printed circuit boards, optical films, etc. It can simultaneously photograph both sides of the substrate, detect defective products, and make a final judgment by AI at the same time.

TechnoOptis Co., Ltd. is a precision equipment manufacturer with over 50 years of history in the field of optical measurement.

The company provides high-precision optical measurement devices, including luminance meters and illuminance meters, equipped with our in-house developed and manufactured optical devices. These solutions cater to a wide range of industries, including automotive, display, IT equipment, and lighting, consistently meeting diverse needs with cutting-edge technology and unwavering quality.

Additionally, Y.A.C. Holdings acquired 67% of the shares of TT Holdings, which owns 100% of TechnoOptis' shares, further strengthening our business foundation.

YAC(Shanghai) International Trade Co., Ltd. serves as the business hub for the YAC Group in the Chinese market.

Its primary business activities include the sales and maintenance of YAC Machinery's cleaning equipment, medical linen systems, and automated packaging machines. Additionally, the company handles the sales and maintenance of YAC Denko's dry etching systems, precision heat treatment equipment, and annealing systems.

Utilizing proprietary technologies such as micro voltage measurement, precision temperature control, servo systems, and printing, we deliver a broad range of products　from high　performance instruments for nuclear power plants to cost　effective solutions.

Based on core technologies in data recording and monitoring, water quality monitoring, and pressure sensing, we provide optimal solutions across a wide range of industrial sectors.

We provide systems including data transmission equipment, remote monitoring and control units, automatic control systems, and data processing devices.

In addition, by leveraging digital signal processing technology, we offer high-precision power transducers and highly reliable modems, contributing to the development of social infrastructure.

Driven by precision heating technology at its core, we advance the development and supply of high-precision, high-efficiency heating systems to meet the diverse needs of various industries.

Processing technologies utilizing vacuum and plasma control are widely applied across various fields, including the display industry.

Advanced wrinkle removal, drying, and pressing technology utilizing steam and warm air enhances the finishing quality of clothing and fabrics while maximizing operational efficiency.

Furthermore, by integrating folding, transportation, and stacking technologies, we enable a seamless workflow that significantly boosts productivity.

The heat-bonded lamination technology utilizing rollers ensures high durability and quality when joining different materials.

By leveraging advanced bonding techniques, we achieve material integration and enhanced functionality, catering to a wide range of applications.

We provide advanced inspection technologies for the semiconductor back-end process that detect critical product defects and perform final judgments using AI.

Simultaneous double-sided inspection enhances processing speed, while ultra-high precision enables detection of circuit patterns as fine as 5 microns.

By utilizing our in-house developed and manufactured imaging LVF (Linear Variable Filter), we enable two-dimensional spectral measurement with continuously variable wavelengths.

By obtaining certification under the JCSS (Japan Calibration Service System), a metrological traceability scheme based on Japan’s Measurement Act, we ensure the measurement accuracy and reliability of our illuminance and luminance meters.

By leveraging photometric and colorimetric technologies, we enable the visualization and quantification of light and color.　Through high-precision measurement, we support our customers in strengthening product quality control and contribute to the stable maintenance of quality.