Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
横浜市ディベロッパー/Developer

横浜市ディベロッパー/Developer #631619532

3
members (measured 23 Oct 2026, 08:42 UTC)
17 July 2026
created (per Roblox API)
14 August 2026
first measured by this register

Game studiosJAdevelopmentjapaneseprivate_group

Description

運営にお願いされた方は入ってください。

Written by the group; not a statement by this register.

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)MembersChange
24 Aug 2026, 15:513first reading

Ownership

Owned by TANAKA_HAMAYOKO (@TANAKA_SAN811) as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

TANAKA_HAMAYOKO (@TANAKA_SAN811) — 管理者/Admin (rank 254)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

マネージャー0
管理者/Admin1
デロッパー/Developer0
モデレーター1
メンバー3
メンバー/Member0
ゲスト0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.