Hasegawa Keiichi

Name: Hasegawa Keiichi
Native name: 長谷川圭一
Also Known as: はせがわけいいち
Nationality: Japanese
Gender: Male
Born: February 1, 1962
Age: 63

Hasegawa Keiichi is a Japanese screenwriter from Atami, Shizuoka, Japan.

He graduated from Nihon University's College of Art, Department of Film. He started his career as an assistant director with the unreleased film "Kuchita Teoshiguruma" and then spent over ten years in the art department working on props and decorations.

In 1997, Hasegawa transitioned to screenwriting, debuting with episode 22 of "Ultraman Tiga." The same year, he became the main writer for "Ultraman Dyna." By 1998, he expanded his work to include writing scripts for anime.

(Source: MyDramaList) Edit Biography

Year	Title	Type	Rating
2025	The Dark Revelation: Lachesis	Special	7.5
2024	Kamen Rider Gotchard: The Future Daybreak	Movie	7.2
2024	Kamen Rider Gotchard Ver.: Romeo and Juliet Complete Edition	Special	7.0
2024	Kamen Rider Gotchard Spin-Off: We Are Class 3G	Special	6.7
2023	Kamen Rider Gotchard	Drama	7.0
2020	Kamen Rider Saber	Drama	7.1
2017	REIMA: The Curse of Evil Spirits	Drama	6.0
2016	Kamen Rider Drive Saga: Kamen Rider Mach / Kamen Rider Heart	Movie	7.4
2015	AKB Horror Night - Adrenaline no Yoru	Drama	7.7
2015	Kamen Rider Ghost	Drama	6.9
2014	Kamen Rider Drive Secret Mission - Type Zero	Special	7.2
2014	Kamen Rider Drive Secret Mission - Type TV-KUN	Special	7.1
2014	Kamen Rider Drive	Drama	8.0
2013	009-1: The End of the Beginning	Movie	5.9
2013	Ultraman Ginga	Drama	7.0
2012	In the Future, When I Am Executed	Movie	6.9
2011	Kamen Rider Fourze	Drama	8.0
2011	Kamen Rider W Returns: Kamen Rider Accel	Movie	7.6
2009	Kamen Rider W	Drama	8.5
2008	Superior Ultraman 8 Brothers	Movie	7.6
2007	Ultra Galaxy: Mega Monster Battle	Drama	7.3
2007	Ultraseven X	Drama	7.0
2007	Cutie Honey: The Live	Drama	7.3
2006	Ultraman Mebius & Ultra Brothers	Movie	7.6
2006	Ultraman Mebius	Drama	7.9
2004	Ultraman: The Next	Movie	7.4
2004	Ultraman Nexus	Drama	7.7
2003	Ultraman Cosmos vs. Ultraman Justice: The Final Battle	Movie	7.5
2002	Ultraman Cosmos 2: The Blue Planet	Movie	7.1
2001	Godzilla, Mothra, & King Ghidorah: Giant Monsters All-Out Attack	Movie	7.4
2001	Ultraman Cosmos	Drama	7.6
2000	Ultraman Tiga: The Final Odyssey	Movie	7.7
1999	Ultraman Tiga, Ultraman Dyna & Ultraman Gaia: Battle in Hyperspace	Movie	7.3
1998	Ultraman Gaia	Drama	7.8
1998	Ultraman Tiga & Ultraman Dyna: Warriors of the Star of Light	Movie	7.5
1997	Ultraman Dyna	Drama	7.8
1996	Ultraman Tiga	Drama	7.8