Trash Lens - Smart Waste Separation in Kasama

Kasama

Supported!

Gas Cylinder

Small gas cylinders (aerosol cans, cartridge cylinders): Recyclable Item 3 Large gas cylinders (propane gas cylinders): Not accepted

Disposal methods for gas cylinders vary by type. 【Small Gas Cylinders (Aerosol Cans, Cassette Cylinders)】 Recycling Category: Resource 3 Disposal Fee: Free How to Dispose: 1. Completely empty the contents. 2. Puncture the cylinder outdoors in a well-ventilated area away from open flames (important safety measure). 3. Place each type in a transparent or semi-transparent bag so the contents are visible. 4. Place in the city-designated container and put it out at the collection point on the designated collection day (twice a month) 【Large Gas Cylinders (Propane Cylinders, etc.)】 Separation Category: Not collected or disposed of by the city Disposal Method: Request pickup from the store where purchased or a specialized disposal company Precautions: - Puncturing small gas cans is mandatory to prevent fire and explosion - Always perform puncturing outdoors in a safe location - For questions, contact the Kasama City Resource Recycling Division (Tel: 0296-77-1101)

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Trash Lens helps you find
Disposal, Sell, or Reuse options
in 3 seconds just by snapping a photo!

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Know how to utilize!

Dispose

Sell

Reuse

Trash Lens also supports these items!

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Know how to dispose

Just point your camera at unwanted items to learn how to dispose of them. No more struggling with complicated rulebooks.

Know how to sell

See a list of shops that might buy your items at a high price or take them immediately.

Know how to reuse

Discover ways to reuse. A broken plate might be fixed or reborn as something new with methods you didn't know.

Currently supported in 498 municipalities

Waste separation data is expanding. Check the list of supported municipalities for the latest status.

See Supported Municipalities

Currently supporting languages

The app is available in multiple languages, not just Japanese. Supported languages are expanding.

Easy communication with shops via chat!

Contact shops that accept your waste directly in the app via chat. Very convenient! *Coming soon

About Trash Lens

Partners

Panasonic
100BANCH
Incubation Program

TMG Startup Contest
2022 Excellence Award

TMG & Deloitte
Acceleration Program
Batch 16 Selected

SusHi Tech Tokyo 2024
Pitch Contest Grand Prize

TMG & SocialX
Public-Private Co-creation
Batch 2 Selected

TMG & TMG Env. Corp.
Social Implementation Project
2025 Selected

Media

About Us

Shinya Inoue

S.Inoue / Co-creation Promotion Manager

Experienced in environmental management at mega-ventures and GAFM before joining Trash Lens. Worked with CEO Yamamoto as an intern at Pirika Inc.

Genta Ono

G.Ono / Engineer

Graduate student at the University of Tokyo. Interested in Speculative Fiction and Human Computer Interaction. Explores the possibilities of technology from multiple perspectives.

Kotaro Yamamoto

K.Yamamoto / Representative & CEO

Developed the prototype of Trash Lens in high school after questioning waste separation. Aims to maximize the value of items beyond 2 choices of "throw away or sell" through diverse options.

Shiina Inoue

S.Inoue / Co-creation Promotion

Studying digital media and interaction design at Meiji University. Interested in creating systems that connect people and society. Aims to realize optimal user experiences from a human-centered perspective.

Kosei Yamamoto

K.Yamamoto / Designer & Engineer

Studying at Meiji University Graduate School. Researching interaction design for haptic video and VR experiences. Engaged in programming and video production as hobbies, merging technology and creativity.

Trash Lens now supports 35 languages

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If you have any questions, please feel free to contact us.

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