Kanban_over_Time-Real Published on April 25, 2014 in How Many Kanbans? – Estimation Approach and MaintenanceFull resolution (609 × 347) Normal number of Kanban Graph of supermarket inventory over time. Example with Normal number of Kanban. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.