# Seibu Kaihatsu

> Japanese arcade game manufacturer

**Wikidata**: [Q2288948](https://www.wikidata.org/wiki/Q2288948)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Seibu_Kaihatsu)  
**Source**: https://4ort.xyz/entity/seibu-kaihatsu

## Summary
Seibu Kaihatsu was a Japanese video game developer and arcade game manufacturer based in Tokyo. Founded in 1982 as a yūgen gaisha (limited liability company), the firm operated until 1998 and is best known for producing the *Raiden* series of video games.

## Key Facts
*   **Legal Name:** 有限会社セイブ開発 (Seibu Kaihatsu Inc.)
*   **Also Known As:** Seibu Denshi, Seibu Denshi Inc., Seibu
*   **Formation:** Founded in 1982 in Japan
*   **Dissolution:** 1998
*   **Headquarters:** Tokyo, Japan
*   **Legal Status:** Yūgen gaisha
*   **Primary Industry:** Video game industry (Arcade game manufacturing)
*   **Key Product:** *Raiden* (video game series)
*   **Corporate Number (Japan):** 2010002011645
*   **Official Website:** http://www.seibu-kaihatsu.co.jp

## FAQs
### Q: When was Seibu Kaihatsu active?
A: Seibu Kaihatsu was founded in 1982 and dissolved in 1998. During this 16-year period, the company operated out of Tokyo as a yūgen gaisha.

### Q: What product is Seibu Kaihatsu best known for?
A: The company is primarily identified with *Raiden*, a video game product listed in industry databases. They specialized in software development for the arcade sector of the video game industry.

### Q: Where was the company located?
A: Seibu Kaihatsu was headquartered in Tokyo, Japan. The company was formed and registered as a Japanese corporation.

## Why It Matters
Seibu Kaihatsu represents a specific era of the Japanese video game industry, functioning as a dedicated arcade game manufacturer during the medium's boom years. Operating from 1982 to 1998, the company bridged the gap between the early days of arcade gaming and the more advanced era of the late 1990s. Their classification as a "video game developer" and "arcade game manufacturer" highlights their dual role in creating software and potentially specialized hardware for entertainment centers.

The company's legacy is anchored by *Raiden*, a property that remains a significant reference point in the vertical scrolling shooter genre. By maintaining operations in Tokyo, the heart of Japan's electronics and entertainment sector, Seibu Kaihatsu contributed to the global proliferation of video game culture. Their dissolution in 1998 marks them as a distinct entity of the late 20th-century gaming landscape, separate from the modern consolidations of larger publishers.

## Notable For
*   Manufacturing arcade games and developing video game software.
*   Producing the *Raiden* video game series.
*   Operating as a Yūgen gaisha, a specific type of Japanese limited liability company.
*   Being registered with a distinct Japanese corporate number (2010002011645).
*   Maintaining a recorded presence in multiple international databases, including MobyGames, MusicBrainz, and the Media Arts Database.

## Body

### Corporate History and Structure
Seibu Kaihatsu was established in 1982 in Japan. The company was structured as a **yūgen gaisha** (limited liability company), a common corporate form for small to medium-sized enterprises in Japan prior to regulatory changes in the 2000s. Their corporate registration number was 2010002011645.

The company's headquarters were located in **Tokyo, Japan**. According to available records, the company ceased operations or was dissolved in **1998**.

### Industry and Operations
Seibu Kaihatsu operated within the **video game industry**, specifically defined as a "software development organization specializing in the creation of video games." They are classified as both a "video game developer" and an "arcade game manufacturer."

Their primary product output identified in records is **Raiden**. The company maintained an official web presence at `http://www.seibu-kaihatsu.co.jp`.

### Nomenclature and Identity
The entity was known by several aliases throughout its history, reflecting potential translations or previous business names:
*   **Seibu Denshi** (or Seibu Denshi Inc.)
*   **Seibu**
*   **Seibu Kaihatsu Inc.**
*   **有限会社セイブ開発** (Japanese name)
*   **Name in Kana:** セイブかいはつ

### Database Identifiers
Seibu Kaihatsu is tracked across multiple industry and knowledge databases:
*   **Wikidata ID:** Q11920
*   **Freebase ID:** /m/04y94x
*   **MobyGames Company ID:** 2172 (former scheme: seibu-kaihatsu-inc)
*   **MusicBrainz Label ID:** 7e2354c7-a693-4bb5-973b-7b67d934ea1f
*   **Media Arts Database ID:** C45728
*   **OpenCorporates ID:** jp/2010002011645
*   **Videogamegeek Company ID:** 13786

## References

1. Freebase Data Dumps. 2013
2. MusicBrainz
3. VideoGameGeek