
Keiichi Hasegawa
Known For
Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack
Screenplay
Rage of Bahamut
Series Composition
Kamen Rider W Returns: Kamen Rider Accel
Drunken Man
SSSS.GRIDMAN
Series Composition
SSSS.DYNAZENON
Series Composition
Kamen Rider
Series Composition
Gridman Universe
Screenplay
Ultraman Nexus
Series Composition
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Filmography
Acting (2)
Television (1)
Crew (58)
Movies (28)
No. 1 Sentai Gozyuger: Polar Beginning
2026 UpcomingWriter
Apr 19
Abyssalis Revelation: Lachesis
2025Writer
Kamen Rider Gotchard: The Future Daybreak
2024Writer
Kamen Rider Gotchard Ver.: Romeo and Juliet Complete Edition
2024Writer
Gridman Universe
2023Screenplay
SSSS.DYNAZENON Grand Episode
2023Screenplay
SSSS.GRIDMAN Grand Episode
2023Writer
Kamen Rider Drive Saga: Kamen Rider Mach / Kamen Rider Heart
2016Writer
Kamen Rider Ghost: Truth! The Secret of the Heroic Eyecons!
2016Writer
Kamen Rider Drive: Type: Televi-Kun - Hunter & Monster! Chase the Mystery of the Super Thief!
2014Writer
Kamen Rider Drive: Type ZERO! Episode 0 - Countdown to Global Freeze
2014Writer
009-1: The End of the Beginning
2013Writer
My future of being executed
2012Writer
Kamen Rider Fourze the Net Edition: It's Class Time, Everyone!
2012Writer
Ultraman Saga
2012Writer
Kamen Rider W Returns: Kamen Rider Accel
2011Writer
Takamine - The Man By Which Cherry Blossoms Bloomed in America
2011Writer
Superior Ultra 8 Brothers
2008Writer
Ultraman Mebius & Ultra Brothers
2006Writer
Ultraman: The Next
2004Screenplay
Ultraman Cosmos vs. Ultraman Justice: The Final Battle
2003Screenplay
Ultraman Cosmos 2: The Blue Planet - Young Musashi Chapter
2002Writer
Ultraman Cosmos 2: The Blue Planet
2002Screenplay
Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack
2001Screenplay
Ultraman Tiga: The Final Odyssey
2000Screenplay
ウルトラマンダイナ SPECIAL
2000Writer
Ultraman Tiga & Ultraman Dyna & Ultraman Gaia: The Battle in Hyperspace
1999Writer
Ultraman Tiga & Ultraman Dyna: Warriors of the Star of Light
1998Screenplay
Television (30)
No. 1 Sentai Gozyuger
2025Writer
Kamen Rider Gotchard
2023Series Composition
Kamen Rider Gotchard
2023Story
Kamen Rider Gotchard
2023Writer
SSSS.DYNAZENON
2021Series Composition
SSSS.DYNAZENON
2021Writer
Kamen Rider Saber
2020Series Composition
SSSS.GRIDMAN
2018Series Composition
SSSS.GRIDMAN
2018Writer
Rage of Bahamut
2014Series Composition
Rage of Bahamut
2014Writer
Kamen Rider Drive
2014Writer
Ultraman Ginga
2013Writer
ネット版 仮面ライダーフォーゼ みんなで授業キターッ!
2012Writer
Graveyard Kitaro
2008Script
Cackling Kitarou
2007Writer
Cutie Honey: The Live
2007Writer
Ultraman Mebius
2006Writer
Ultraman Nexus
2004Series Composition
Ultraman Nexus
2004Writer
Phoenix
2004Writer
Astro Boy
2003Writer
Ultraman Cosmos
2001Writer
The Big O
1999Writer
Ultraman Gaia
1998Writer
Dream Hazard
1998Director of Photography
Ultraman Dyna
1997Writer
Super Sentai Series
1975Writer
Kamen Rider
1971Series Composition
Kamen Rider
1971Writer
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