

What is HACARUS Workplace Safety for KY?
This is an app that allows you to carry out workplace risk prediction activities (KY) on your smartphone, tablet, or PC. Based on the entered work site name and conditions, AI searches for and suggests cases of industrial accidents and danger points by tapping into a large database of previous accidents. The unique reporting function that visualizes the quality of KY activities also helps improve the quality of safety management activities.
HACARUS Workplace Safety for KY
helps overcome challanges such as:

Daily workplace risk prediction activities have become mere formality...

Inexperienced workers are unable to properly identify workplace risks...

Creating and managing paper KY sheets is troublesome...
With HACARUS Workplace Safety for KY,
you can easily and effectively conduct workplace risk prediction activities (KY) and reduce the risk of occupational accidents by utilizing AI.
HACARUS Workplace Safety for KY Features
KY sheet can be created in the app directly
You can create a KY sheet directly in the app. Past KY sheets are saved to the cloud, so you can easily check it later. Additionally, the results of the KY sheets can be added the handwritten signature and exported in Excel format.
KY sheet can be created
in the app directly
KY sheet is saved to the cloud,
with the option to export to excel format.
AI suggets risks and danger points
based on past cases of industrial incidents.
Based on the entered work name, AI will suggest examples of industrial accidents and danger points. By default, the industrial accident database has approximately 3,500 industrial accident cases registered. It is also possible to add additional cases of industrial accidents and near misses based on customer's own data bases.
AI suggests examples
of industrial accidents with illustrations
You can add your company's work accidents
or near miss cases
Continuous improvement
based on customer feedback
1. Accessible via 2D barcode
The 2D barcode generation feature allows for the easy creation of 2D barcodes from within the app. Simply scan the 2D barcode posted at the job site during operation, safety patrols, or on-site inspections to view and prepare sheets. Using 2D barcode access doesn’t require a user account, so there is no need to keep track of the e-mail addresses of various subcontractors – simply scan and start using.
2. Data-driven Worksite Risk Prevention Enabled
By quantifying the quality of worksite risk prevention (KY) activities into statistics, it is now possible to get a detailed, data driven, understanding of activities on a worksite or individual level - enabling the establishment of more effective safety management processes based on statistics.
Issue a 2D barcode and check the daily KY sheet.
- Unlimited account issuance
Accounts can also be issued to partner companies for joint use. - Complacency risk alert
If you enter the same danger points and countermeasures as yesterday, an alert will be displayed, and you will be prompted to reselect. - Shareable KY Sheet
The created KY sheet will be shared with workers and supervisors. Additionally, multiple workers can collaborate on the KY sheet at the same time.
User Testimonials
Major Construction Company
Mid-sized Construction Company
Case Study
Marukyo Construction Co. (Minamisaku City, Nagano Prefecture)
The deciding factors for using HACARUS Workplace Safety for KY is that the app improves employee safety awareness, turns activities from analog to digital and allows for statistics to be collected for each job site.
Usage History



Cost
Initial cost
100,000 yen (excluding tax)
Monthly fee
30,000 yen (excluding tax)
- Unlimited account issuance
- Up to 500 KY sheets, if exceeded, 40 yen/sheet (excluding tax)
HACARUS Strength

Extensive track record
We have undertaken over 100 AI projects in various industries such as manufacturing, energy and infrastructure, healthcare, and more - both domestically and internationally. We actively engage in collaborative research with universities and our extensive track record has been highly recognized.

Numerous awards
We have been selected as a promising start-up company from the Kansai region for the "J-Start-up KANSAI" initiative, promoted by the Ministry of Economy, Trade and Industry. Additionally, we have received the Director-General's Award at the "Japan Venture Awards," which honours visionary entrepreneurs in the venture business sector.

Reliable technical capabilities
We have invited advisors from Kyoto University, Tohoku University, and Shiga University to leverage their expertise in the latest technologies for our business development. Our team includes employees with a background in the construction industry, who actively participate in the development of HACARUS Workplace Safety for KY. Drawing upon their experience in construction, we aim to create an application that is user-friendly and practical for on-site use.
FAQ
- With what kind of device can I use HACARUS KY?
Can be used on various devices such as smartphones (iOS, Android), tablets, and PCs.
- If AI creates KY sheets, won't it encourage complacency?
You are responsible for the final KY sheet yourself. This service enables a smarter way to conduct KY activities, without losing the original purpose - which is to increase workers' risk sensitivity. Please contact us for more information.
- It is difficult to take photos of the site, is it still possible to extract dangerous points?
HACARUS Workplace Safety for KY can generate a KY sheet of risks simply by being prompted in text of the work site name and conditions. The AI engine is able to propose risks based its large database of previous KY sheets from similar conditions.
- Is it possible to use our company's previous workplace accidents as basis for risk assessment?
We can add your case studies of occupational accidents. Please feel free to contact us.
- Can our own KY template be used?
Initially, you will use the system using HACARUS' default format, but it can be customized. Please contact us for details.
- Will registered industrial accidents or near-miss cases be disclosed to other companies?
No, incident data is not shared with others by default. For customers that want to add incident data to shared database HACARUS offers a discount.
- Is HACARUS Workplace Safety for KY available offline?
No, the service is currently not available offline.
- Can I rent smartphone or tablets from HACARUS?
No, customers need to prepare their own hardware, HACARUS only provides the software.
- Can it be used in industries other than construction?
This application is primarily developed for the construction industry.
Major Construction Company