“Dr. Leak” aims to be the top trusted brand in the car air conditioner industry, has been released for the first time in Japan from March 2018, mainly in the automobile aftermarket market. It is unique in that it is a “find it, fix it, or replace it” policy, that is made IN JAPAN. The challenge of addressing a cooling system refrigerant leak has been a topic of concern within recent years.


Automotive Refrigerant Leak Detection / Leak Detection with Fluorescent Dye Tracerline fluoresent dye and the leak detection lamp reveal hidden automotive leaks; A/C, engine oil, coolant, fuel and so on.
The fluorescent dye is added to the system and circulated.The system is then inspected with the lamp.
The dye can remain in the system indefinitely and does not affect system components or performance.


When road pebble or rock strikes a windshield it chips the outer glass layer, creating a chip or small crack. “Windshield Repair” can penetrate the break cavity with a superb windshield resin and repair chip on the windshield easily.
All windshield repair systems and kits have a superb windshield resin and a UV light source for curing the resin.


Rislone, one of the original automotive chemical additives, was introduced to the world back in 1921, and one of the pioneer in the automotive chemical additives.
The products will give your car, even old or new, a fighting chance at a long, healthy life, and improve the performance.
Easyt to use for general maintenance every oil change or soquiet your loud engine idle, slowly remove sludge. Rislone’s engine treatment, fuel treatment and diesel aditives give immediate improvements in performance that result gains; higer performance, better fuel economy or greater durability.


The Vacutec® brand smoke machine was the original smoke machine introduced in the automotive market in 1994.
The Vacutec® smoke machine can trace leaks in virtually any anutomotive system, simply view the smoking exiting whereever there is a leak, and you will see the fluorescent dye deposited at the exact location of a leak. They have the simples way to find a variety of system leaks such as a vehicle’s fuel evaporative system (EVAP), vacuum, exhaust leaks and in many other vehicle systems.


Since 1909, Permatex® has been an acknowledged leader in the development of innovative new products and services for the automotive aftermarket.
They offers automotive maintaenance and repair, home and hardware markets; especially a wide range of bonding and sealing solutions.
“Threadlockers” and “Gasket Makers” are one of their main products. It is possible to cure by just sealing without cracking or shrinking.
Permatex® gasket makers offer significant performance advantages, including outstanding oil resistance, excellent torque retention, and hi-temp, sensor-safe properties.



Fluorescent Leak Detection Dye Oil Finder Yellow
Add a fluorescent dye and pinpoint the leaking area with an UV lamp.


Whether it’s hydraulic fluid, oil or water leaks, using fluorescent dyes and the leak detection lamp reveal leaks. It also works as a peresentive maitenance to your sistem. The fluorescent dyes will work together with whatever host fluid it is being used for.


It uses ultrasonic technology to find air leaks quickly and efficiently. It’s lower price and power saving. Quickly detects compressed air, natural gas, propane tank, vacuum, system, refrigerant and other pressurized leaks.



Spectroline® offers HVAC/R Leak detection with fluorescent dyes and leak detection lamp. It pinpoints the exact source of every leak in any air conditioning, refrigeration or industrial facilities system. Spectroline® fluorescent dyes are proven to be fastest, easiest and most cost affective way. You never need to flush them out, so they can stay safely in the system, working to find any future leaks.


Neutronics Inc. was formed in 1976 with a focus on the measurement and control of oxygen and other gases for safety, environmental, and general industrial applications, ant now they are a world-class provider of gas analysis and gas handling technologies.
Neutoronics Refrigerant Analysis enable fast and accurate testing of refrigerant, reducing the need for costly and time-consuming gas chromatography.
Their refrigerant identifiers and sealant detectors are used by automotive and HVAC service professionals to prevent refrigerant contamination and avoid damage to A/C service and handling equipment.

LED Forensic Lamp Kit (ALS)

LED Forensic Lamp Kit (ALS)

The OFK-8000 features a small sized and a cordless. It is ideal for crime-scene investigation and forensic laboratory work.
A full spectrum light source, it provides single-wavelength illumination in UV-A, violet, blue, cyan, green, amber, red and white light.
It used in United Staes and other investigation agencies in various countiries.


LeakLab Japan offers a wide range of optimum solutions for “LEAK” based on “Detecting Leak without Missing” from Japan to the world. We have solutions for oil, water, refrigerant, gas, air or water in various markets, some of which include Automotive, HAVC&R, Industirial, Machine tool or Households equipments.
Today, LeakLab Japan strives to exceed customer expectation by continually innovating better and efficient solutions for leak problems.

Company name LeakLab Japan Co.,Ltd.
Established in 1985/04/01
CEO Tomohito Monobe
Office location 3-3-21, Ichiokamotomachi, Minato-ku, Osaka 552-0002, Japan
TEL / FAX Tel: 81(6)6582-5497 Fax: 81(6)6582-5495