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Koei: History & Companies

Koei Co., Ltd. was a Japanese video game publisher, developer, and distributor founded in 1978. The company is known for its historical simulation games based on the novel Romance of the Three Kingdoms, as well as simulation games based on pseudo-historical events.

Language: English [EN]
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Koei topic overview

The analysis highlights History and Companies as prominent areas in the source structure around Koei.

Related topics
67
Source areas
2
Connected nodes
69
Extracted relationships
50
Concept neighborhoods
20
Bridge connections
69

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

History · 55 topics
Overview · 12 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Founded
July 25, 1978; 48 years ago (1978-07-25)
Industry
Video games
Headquarters
Yokohama, Japan
Defunct
April 1, 2010; 16 years ago (2010-04-01)
Fate
Merged with Tecmo
Founder
Yōichi Erikawa Keiko Erikawa

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Koei connects Entity context

The extracted context around Koei shows recurring relationship patterns in the source. For example, Koei → Age, Chinese, Condominium Wife, Dai Kōkai Jidai, Danchi Tsuma, Exploration, Great Navigation Era, Hiyoshi, In, In March, It, Japanese, Japanese RPG, July, Keiko Erikawa, Keio University, Kou Shibusawa, Nobunaga, Nobunaga's Ambition, PC-8001 Another extracted example is Koei → April 1, 2010; 16 years ago (2010-04-01). Use these groups to spot repeated connection types before inspecting the individual relationships.

Koei

Top relations

related to history · 33
Koei → Age, Chinese, Condominium Wife, Dai Kōkai Jidai, Danchi Tsuma, Exploration, Great Navigation Era, Hiyoshi, In, In March, It, Japanese, Japanese RPG, July, Keiko Erikawa, Keio University, Kou Shibusawa, Nobunaga, Nobunaga's Ambition, PC-8001
Defunct · 1
Koei → April 1, 2010; 16 years ago (2010-04-01)
Fate · 1
Koei → Merged with Tecmo
Founded · 1
Koei → July 25, 1978; 48 years ago (1978-07-25)
Founder · 1
Koei → Yōichi Erikawa Keiko Erikawa
Headquarters · 1
Koei → Yokohama, Japan
Industry · 1
Koei → Video games
Native name · 1
Koei → 株式会社コーエー
Parent · 1
Koei → Koei Tecmo (2009–2010)
Products · 1
Koei → List of Koei Tecmo games

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

games tecmo company game known also april co subsidiary 2009 japanese series historical ltd 2010 subsidiaries holdings released based three

Koei relationships Subject–Predicate–Object triples

TTTA extracted 50 structured relationships around Koei. Examples in this analysis include Koei → Defunct → April 1, 2010; 16 years ago (2010-04-01) and Koei → Fate → Merged with Tecmo. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
KoeiDefunctApril 1, 2010; 16 years ago (2010-04-01)1.00infobox
KoeiFateMerged with Tecmo1.00infobox
KoeiFoundedJuly 25, 1978; 48 years ago (1978-07-25)1.00infobox
KoeiFounderYōichi Erikawa Keiko Erikawa1.00infobox
KoeiHeadquartersYokohama, Japan1.00infobox
KoeiIndustryVideo games1.00infobox
KoeiNative name株式会社コーエー1.00infobox
KoeiParentKoei Tecmo (2009–2010)1.00infobox
KoeiProductsList of Koei Tecmo games1.00infobox
KoeiRomanized nameKabushikigaisha Kōē1.00infobox
KoeiSuccessorKoei Tecmo Games1.00infobox
KoeiTypeKabushiki gaisha Subsidiary1.00infobox
KoeiWebsitewww.koei.co.jp/koei_home.html1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Koei bring nearby vocabulary together. In this analysis, examples include Tecmo, Games and April. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Koei
    • Tecmo
    • Games
    • April
    • Subsidiary
    • Also
    • Established
    • Holdings
    • Year
    • Subsidiaries
    • Japanese
    • Known
    • Company
  • koei
    • Tecmo
    • Games
    • April
    • Subsidiary
    • Also
    • Established
    • Holdings
    • Year
    • Subsidiaries
    • Japanese
    • Known
    • Company
  • otome games
    • Koei
    • Tecmo
    • Known
    • Also
    • April
    • Division
    • Kingdoms
    • Party
    • Romance
    • Ruby
    • Three
    • Year
  • tecmo koei holdings
    • Tecmo
    • Games
    • Holding
    • Merged
    • Single
    • April
    • Year
    • Subsidiary
    • Also
    • Subsidiaries
    • Established
    • Holdings
  • tecmo koei games
    • Tecmo
    • Games
    • Koei
    • Known
    • April
    • Subsidiary
    • Year
    • Also
    • Division
    • Established
    • Holdings
    • Kingdoms
  • holding company
    • Merged
    • Holdings
    • April
    • Holding
    • Kingdoms
    • Romance
    • Single
    • Three
    • Subsidiaries
    • Games
    • Game
    • Tecmo
  • japanese history
    • Set
    • Released
    • Kingdoms
    • Romance
    • Three
    • Game
    • Founded
    • Ltd
    • Video
    • History
    • Japanese
    • Koei's
  • japanese rpg
    • Released
    • Game
    • Founded
    • Video
    • History
    • Koei's
    • March
    • Set
    • Year
    • Koei
    • Historical
    • Ltd

Connections between topic areas Semantic bridges

For Koei, one of the stronger structural bridges in this analysis connects Koei with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
KoeiHistory · splits 14 ⟂ 56
KoeiOverview · splits 57 ⟂ 13

Map overview Semantic statistics

Koei

Nodes70
Edges69
Triples50
Avg. degree1.97
Density0.028571
Components1

Source & methodology

TTTA analyzes the structure around Koei to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Koei · EN edition · Analysis: TopicsToTalkAbout

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