Ishikura began his career in the industry in 2000 as a production assistant for Invincible King Tri-Zenon under E&G Films, and made his debut as an episode director with the 18th episode of Shingu: Secret of the Stellar Wars.[1] For the next several years, he worked mainly as a freelance director. In 2007, Ishikura had his first job with Shaft as an episode director and storyboard artist for Hidamari Sketch.[2] For the next 5 years, Ishikura worked mainly with Shaft, and made his series directorial debut with Natsu no Arashi! Akinai-chū.[3] The following year, he directed the third season to the Hidamari Sketch franchise,[4] and began to work less with Shaft.
Works
Television
Highlights roles with series directorial duties. Highlights roles with assistant director or supervising duties.
^Invincible King Tri-Zenon (in Japanese). Event occurs at ending credits; episodes 1, 13. 制作進行 - 石倉賢一 [Assistant production manager - Kenichi Ishikura]
^Cyborg 009: The Cyborg Soldier (in Japanese). Event occurs at ending credits; episode 50. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Aquarian Age: Sign for Evolution (in Japanese). Event occurs at ending credits; episode 4. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Shrine of the Morning Mist (in Japanese). Event occurs at ending credits; episodes 10–12. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^L/R: Licensed by Royalty (in Japanese). Event occurs at ending credits; episode 7. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Shadow Star (in Japanese). Event occurs at ending credits; episode 3. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Mermaid Melody Pichi Pichi Pitch (in Japanese). Event occurs at ending credits; episodes 16, 22, 27, 33, 43, 52. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Mermaid Melody Pichi Pichi Pitch (in Japanese). Event occurs at ending credits; episodes 33, 52. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Mermaid Melody Pichi Pichi Pitch Pure (in Japanese). Event occurs at ending credits; episodes 6, 12, 18, 24, 30, 36. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Tsuki wa Higashi ni Hi wa Nishi ni (in Japanese). Event occurs at ending credits; episode 5. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^To Heart: Remember My Memories (in Japanese). Event occurs at ending credits; episode 12. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Gun Sword (in Japanese). Event occurs at ending credits; episode 12. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Petopeto-san (in Japanese). Event occurs at ending credits; episode 4. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Paradise Kiss (in Japanese). Event occurs at ending credits; episodes 3, 5. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Sugar Sugar Rune (in Japanese). Event occurs at ending credits; episode 47. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Amaenaide yo!! Katsu!! (in Japanese). Event occurs at ending credits; episodes 6, 11. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Tactical Roar (in Japanese). Event occurs at ending credits; episodes 1, 3. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Love Get Chu: Miracle Seiyū Hakusho (in Japanese). Event occurs at ending credits; episodes 8, 25. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Love Get Chu: Miracle Seiyū Hakusho (in Japanese). Event occurs at ending credits; episode 25. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Yume Tsukai (in Japanese). Event occurs at opening credits. 助監督 - 石倉賢一 [Assistant director - Kenichi Ishikura]
^Night Head Genesis (in Japanese). Event occurs at ending credits; episode 6. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Tokimeki Memorial Only Love (in Japanese). Event occurs at ending credits; episodes 2, 9. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Hidamari Sketch (in Japanese). Event occurs at ending credits; episode 9. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Kaze no Stigma (in Japanese). Event occurs at ending credits; episode 13. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Nagasarete Airantō (in Japanese). Event occurs at ending credits; episode 22. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Ef: A Tale of Memories (in Japanese). Event occurs at ending credits; episode 10. 絵コンテ / 演出 - 石倉賢一 [Storyboard artist / Episode director - Kenichi Ishikura]
^Hidamari Sketch x 365 (in Japanese). Event occurs at ending credits; episode 6. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Hidamari Sketch x 365 (in Japanese). Event occurs at ending credits; episodes 6, 12. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Ef: A Tale of Melodies (in Japanese). Event occurs at ending credits; episode 9. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Hidamari Sketch x 365 Specials (in Japanese). Event occurs at ending credits; episode 2. 絵コンテ / 演出 - 石倉賢一 [Storyboard artist / Episode director - Kenichi Ishikura]
^Natsu no Arashi! (in Japanese). Event occurs at ending credits; episodes 4, 8. 絵コンテ / 演出 - 石倉賢一 [Storyboard artist / Episode director - Kenichi Ishikura]
^Maria Holic (in Japanese). Event occurs at ending credits; episode 5. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Maria Holic (in Japanese). Event occurs at ending credits; episodes 5, 9. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Natsu no Arashi! Akinai-chū (in Japanese). Event occurs at ending credits; episode 8. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Natsu no Arashi! Akinai-chū (in Japanese). Event occurs at ending credits; episodes 2, 8, 13. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Natsu no Arashi! Akinai-chū (in Japanese). Event occurs at ending credits list 3. EDディレクター - 石倉賢一 [ED Director - Kenichi Ishikura]
^Hidamari Sketch x Hoshimittsu (in Japanese). Event occurs at ending credits; episode 12. 演出 - 石倉賢一 [Episode director - Kenichi Ishikura]
^Sorcerous Stabber Orphen (in Japanese). Event occurs at ending credits; episodes 6, 11. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Tamayomi (in Japanese). Event occurs at ending credits; episodes 5, 10. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^STORY - 第十話「回復術士は、可憐な一輪の花になる!」 [STORY - Episode 10 "The Healer Becomes a Single, Lovely Flower!"]. Redo of Healer (in Japanese). Retrieved March 17, 2021.
^I've Been Killing Slimes for 300 Years and Maxed Out My Level (in Japanese). Event occurs at ending credits; episodes 3, 8. 絵コンテ - 石倉賢一 [Storyboard artist - Kenichi Ishikura]
^Mahou Sensei Negima! Anime Finale (in Japanese). Event occurs at ending credits. 副監督 / 絵コンテ - 石倉賢一 [Assistant director / Storyboard artist - Kenichi Ishikura]