Main Page | See live article | Alphabetical index A style of karate founded by Grandmaster Tadashi Nakamura, who split from the Kyokoshinkai organization in 1976. Seido is headquartered in New York City at 61 West 23rd Street, but has branch dojos around the world. External links Seido karate Web site This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.