:Takayuki Ohira

{{short description|Japanese engineer}}

{{nihongo|Takayuki Ohira|大平 貴之|Ōhira Takayuki|born March 11, 1970}} is a Japanese engineer and the creator of the Megastar, a planetarium projector which was recorded in Guinness World Records as the planetarium projector that can project the highest number of stars in the world.{{Cite web |title=National Museum of Emerging Science and Innovation. |author=Anonymous |year=2013|accessdate=January 30, 2014|url=http://www.miraikan.jst.go.jp/en/ |work=Miraikan The National Museum of Emerging Science and Innovation}}{{Cite web |title="Megastar II" with 5 million stars. |author=Anonymous |year=2004|accessdate=January 30, 2014|url=http://www.miraikan.jst.go.jp/en/press/docs/040420.pdf |work=Miraikan The National Museum of Emerging Science and Innovation}}{{Cite web |title=Megastar. |author=Anonymous |year=2012|accessdate=January 30, 2014|url=http://www.megastar.jp/en/index.php |work=Ohira Tech}}

File:SwgaToys Flux.jpg Flux: home planetarium.]]

Ohira has also designed the Sega Homestar, a home planetarium projector for Sega. According to the Japan Planetarium Association, the popularity of this educational toy has contributed to an increase in visitors to full-sized planetaria in Japan.{{cite news |title=Stars in His Eyes |author=Tim Kelly |url=https://www.forbes.com/global/2007/1112/092.html |newspaper=Forbes |date=November 12, 2007|accessdate=January 30, 2014}} The newest model, released in 2019, is called Homestar Flux.[https://www.segatoys.space/en/public/flux.html segatoys.space – Homestar Flux]