Riichiro Inagaki

Writer · Born June 20, 1976 (50) · Tokyo, Japan

Born: June 20, 1976 (50)
From: Tokyo, Japan
Works as: Writer
Titles: 4 on Motif · 5 credits in all
Links: IMDb (opens in a new tab)TMDB (opens in a new tab)Official site (opens in a new tab)Wikidata (opens in a new tab)

Known for

TMDB popularity, last 65 days to Oct 28Up 16% in 30 days

What are Riichiro Inagaki's films like?

Across a limited sample of 3 Motif titles with a thematic analysis, their films lean Self and Bonds.

Themes

share of theme weight

Self

55%

Bonds

31%

Power

15%

Ambition3 Friendship3 Greed2

Moods and endings

endings shown from 5 titles

Dominant moods · mentions across their titles

Tense

3

Joyful

2

Hopeful

1

Thrilling

1

How their films linger

Fun3

AI-generated from each title's plot synopsis and cast list, with extra plot summaries, reviews and Parents Guide notes for titles the model may not know, and the model's own knowledge of the ones it recognizes. Only analyzed titles count, so this covers part of the filmography; the feel axes count films only for now.

Where can I watch Riichiro Inagaki's films?

As of October 24, 2026, 3 of their 4 Motif titles stream on a subscription or free service.

Subscription and free streaming for Riichiro Inagaki's titles on Motif; rent and buy are not counted. Titles are listed by Motif score, highest first, at most 12 per service; a dashed chip is a producer credit or a minor one, such as a thanks. A service opens the browse page, which counts movies only, so its number can differ.

Filmography

5 credits, 4 with a Motif page.

Trillion Game(2025)
Comic Book
Motif score: 55th percentile of all films
Trillion Game(2024)
Show 26 episodes · Original Story
Motif score: 52nd percentile of all shows
Trillion Game(2023)
Show 10 episodes · Comic Book · Creator
Motif score: 83rd percentile of all shows
Dr. Stone(2019)
Show 94 episodes · Comic Book · Original Series Design
Motif score: 94th percentile of all shows
Eyeshield 21 (not in the Motif catalog yet)(2005)
Show 145 episodes · Comic Book

Career shape

A full career of 5 titles from 2005 to 2025.

Biggest box office

Trillion Game (2025)

$12M worldwide

By role

only this rolewith another role

Writing5 of 5Other crew2 of 5

By decade

2000s1 · crew2010s1 · crew2020s3 · crew

Counts from TMDB across their full career, self appearances out; a title counts in every role they held on it.

Who does Riichiro Inagaki work with?

People who share at least 2 of Riichiro Inagaki's Motif titles, grouped by what they did on them; Yoshiaki Murao shares the most, 2.