is a former

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

ese

football Football is a family of team sports that involve, to varying degrees, kick (football), kicking a football (ball), ball to score a goal (sports), goal. Unqualified, football (word), the word ''football'' generally means the form of football t ...

player.

Playing career

Koyama was born in

Tamba-Sasayama , formerly known as , is a city in the central eastern part of Hyōgo Prefecture, Japan. , the city had an estimated population of 40,050 in 17,523 households and a population density of 110 persons per km2. The total area of the city is Geograp ...

on December 27, 1982. After graduating from high school, he joined the

J1 League The , the J.League or the for sponsorship reasons, is a professional association football league in Japan and the highest level of the Japanese football league system. Contested by 20 clubs, it operates on a system of promotion and relegation ...

club

JEF United Ichihara , full name and also known as , is a Japanese professional football club based in Chiba, capital of Chiba Prefecture. They currently play in the J2 League, Japanese second tier of professional football. History Furukawa Electric SC (19 ...

in 2001. However he could hardly play in the match until 2003. In 2004, he moved to the

Japan Football League The , also known as simply the JFL, is the 4th tier of the Japanese association football league system, positioned beneath the three divisions of the J.League. The league features fully professional teams that hold J.League 100 Year Plan club sta ...

club

Otsuka Pharmaceutical (), abbreviated OPC, is a pharmaceutical company headquartered in Tokyo, Osaka and Naruto, Tokushima, Naruto, Japan. The company was established August 10, 1964. History OPC's parent company Otsuka Holdings Co. Ltd. joined the Tokyo Stock Excha ...

(later ''Tokushima Vortis''). Although he did not play at all, the club won the championship in 2004 and was promoted to the

J2 League The or simply J2 is the second division of the and the second level of the Japanese association football league system. The top tier is represented by the J1 League. It (along with the rest of the J.League) is currently sponsored by Meiji Yasud ...

in 2005. He played many matches from 2005 and became a regular player as a left side midfielder in 2007. However he did not play as much summer 2007 and played less in 2008. In 2009, he moved to his local club, the

Banditonce Kakogawa is a football (soccer) club based in Kakogawa, which is located in Hyōgo Prefecture in Japan. They play in the Kansai Soccer League, which is part of Japanese Regional Leagues. History Founded as Hyogo Teachers' Soccer Club in 1976, the fol ...

in the Regional Leagues. He played often over three seasons and retired at the end of the 2011 season.

Club statistics

References

External links

* 1982 births Living people Association football people from Hyōgo Prefecture Japanese men's footballers J1 League players J2 League players Japan Football League players JEF United Chiba players Tokushima Vortis players Men's association football midfielders 21st-century Japanese sportsmen {{Japan-footy-midfielder-1980s-stub