Keiichi Hasegawa
- Writing
- February 1, 1962 · Atami, Shizuoka, Japan
Known for
Filmography
- No. 1 Sentai Gozyuger: Polar Beginning · Writer
- Abyssalis Revelation: Lachesis · Writer
- No. 1 Sentai Gozyuger · Writer
- Kamen Rider Gotchard: The Future Daybreak · Writer
- Kamen Rider Gotchard Ver.: Romeo and Juliet Complete Edition · Writer
- Kamen Rider Gotchard · Story, Writer
- Gridman Universe · Screenplay
- SSSS.DYNAZENON Grand Episode · Screenplay
- SSSS.GRIDMAN Grand Episode · Writer
- SSSS.DYNAZENON · Writer, Series Composition
- Kamen Rider Saber · Series Composition
- SSSS.GRIDMAN · Writer, Series Composition
- Kamen Rider Drive Saga: Kamen Rider Mach / Kamen Rider Heart · Writer
- Kamen Rider Ghost: Truth! The Secret of the Heroic Eyecons! · Writer
- Kamen Rider Ghost · Writer
- Kamen Rider Drive: Type ZERO! Episode 0 - Countdown to Global Freeze · Writer
- Kamen Rider Drive: Type: Televi-Kun - Hunter & Monster! Chase the Mystery of the Super Thief! · Writer
- Rage of Bahamut · Series Composition, Writer
- Kamen Rider Drive · Writer
- 009-1: The End of the Beginning · Writer
- Ultraman Ginga · Writer, Creator
- My future of being executed · Writer
- Kamen Rider Fourze the Net Edition: It's Class Time, Everyone! · Writer
- ネット版 仮面ライダーフォーゼ みんなで授業キターッ! · Writer
- Ultraman Saga · Writer
- Takamine - The Man By Which Cherry Blossoms Bloomed in America · Writer
- Kamen Rider W Returns: Kamen Rider Accel · Drunken Man, Writer
- Superior Ultra 8 Brothers · Writer
- Graveyard Kitaro · Script
- Cutie Honey: The Live · Writer
- Cackling Kitarou · Writer
- Ultraman Mebius & Ultra Brothers · Writer
- Ultraman Mebius · Writer
- Ultraman: The Next · Screenplay
- Ultraman Nexus · Series Composition, Screenplay
- Phoenix · Writer
- Ultraman Cosmos vs. Ultraman Justice: The Final Battle · Screenplay
- Astro Boy · Writer
- Ultraman Cosmos 2: The Blue Planet - Young Musashi Chapter · Writer
- Ultraman Cosmos 2: The Blue Planet · Screenplay
- Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack · Screenplay
- Ultraman Cosmos · Writer
- Ultraman Tiga: The Final Odyssey · Screenplay
- ウルトラマンダイナ SPECIAL · Writer
- The Big O · Writer
- Ultraman Tiga & Ultraman Dyna & Ultraman Gaia: The Battle in Hyperspace · Writer
- Ultraman Gaia · Writer
- Ultraman Tiga & Ultraman Dyna: Warriors of the Star of Light · Screenplay
- Dream Hazard · Cinematography
- Ultraman Dyna · Writer
- Kamen Rider · Humagear, Writer