kubo

Kubo is a Japanese surname. It is commonly romanized from kanji such as 久保 and is used by many people in Japan and in Japanese communities around the world. The name appears in various fields, including arts, science, and culture.

Notable people with the surname include Tite Kubo (born 1977), a Japanese manga artist best known as the creator of Bleach, and Ryogo Kubo (1920–1995), a theoretical physicist who formulated the Kubo formula, a foundational result in statistical mechanics and linear response theory.

In science, the Kubo formula describes how the fluctuations of a system relate to its response to external perturbations, and it has wide applications in condensed matter physics, quantum mechanics, and materials science. The term Kubo also appears in other mathematical and physical contexts named after Ryogo Kubo.

In popular culture, Kubo is the name of the title character in the 2016 stop-motion animated film Kubo and the Two Strings, produced by Laika. The story follows a young boy named Kubo who undertakes a quest to retrieve magical armor and defend against a vengeful spirit, drawing on Japanese folklore for its visuals and themes.