What is Kanban?

Kanban is a visual work management method that helps organize tasks, visualize workflow, and improve process efficiency. It is based on representing work using cards (tasks) that move through different columns reflecting the stages of the process (for example: to do, in progress, done).

The main goal of Kanban is to optimize workflow, identify bottlenecks, and continuously improve.


Origin of Kanban

Kanban originated in Japan, specifically at Toyota during the 1940s–1950s.

It was developed by Taiichi Ohno, an industrial engineer at Toyota, as part of the Toyota Production System (TPS). The inspiration came from observing how supermarkets restock products: only what is consumed gets replenished.

This concept led to the Just-In-Time (JIT) system, where:

  • Only what is needed is produced
  • At the right time
  • In the right quantity

The original Kanban cards were physical signals indicating when to produce or restock parts.


How does Kanban work?

Kanban is based on several key principles:

1. Visualize the work

A board is used, divided into columns representing the stages of the process. Each task is represented as a card.

2. Limit work in progress (WIP)

A limit is set on how many tasks can be in progress at the same time. This prevents overload and improves focus.

3. Manage flow

The goal is to keep tasks moving smoothly. If something gets blocked, it becomes immediately visible.

4. Make policies explicit

The rules of the process should be clear to everyone (what “done” means, when to move a task, etc.).

5. Continuous improvement

Kanban promotes constant optimization through analyzing workflow and identifying inefficiencies.


Kanban today

Today, Kanban is used far beyond manufacturing:

  • Software development (Agile, DevOps)
  • Marketing and content management
  • Human resources
  • Personal productivity

Digital tools like Jira, Trello, and Asana have popularized its use.


Advantages of Kanban

  • High visibility of work
  • Improved productivity and efficiency
  • Reduced bottlenecks
  • Greater flexibility to changes
  • Easy implementation (no major changes required initially)

Conclusion

Kanban is a simple yet powerful system that has evolved from the Japanese automotive industry into one of the most widely used methodologies in modern work management.

Its visual approach and focus on continuous improvement make it a key tool for teams looking to become more efficient and organized.ve para equipos que buscan ser más eficientes y organizados.