Behind the camera
- 2025Unsung HeroesWriter8 ep.
- 2020Top KnifeWriter10 ep.
- 2018Cops 'n RobbersWriter10 ep.
- 2016The SnifferScript Editor8 ep.
- 2016Cold Case: Door of TruthWriter1 ep.
- 2016Let Me Call You Father-in-LawScreenplay9 ep.
- 2015I'm HomeScreenstory10 ep.
- 2009BOSSScreenstory22 ep.
- 2008Code BlueScreenplay22 ep.
- 2007Hagetaka: Road to RebirthScreenplay, Writer6 ep.
- 2006Iryu: Team Medical DragonWriter43 ep.
- 2004Divorce LawyerWriter20 ep.
- 2003Chinese Cuisine Served Star Leo StyleWriter10 ep.
- 1999Emergency Room 24 HoursScreenplay1 ep.
Also known as: Kôji Hayashi