Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

ICOCA

ICOCA (Japanese: イコカ, romanized: Ikoka) is a rechargeable contactless smart card used on the JR West rail network in Japan. The card was launched on November 1, 2003, for usage on the Urban Network, which encompasses the major cities of Osaka, Kyoto, and Kobe (Keihanshin). It is now usable on many other networks nationwide. The ICOCA area has gradually…

Technology & Art

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around ICOCA. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

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

Location
Usable nationwide Distributed in Kansai, San'yō, Hokuriku, Kagawa, and Tokushima
Credit expiry
Ten years after last use
Currency
Japanese yen (¥20,000 maximum load)
Launched
November 1, 2003
Manager
JR West
Retailed
JR West, Osaka Metro, Kyoto Subway, Kobe Subway, Kintetsu, Hankyu, Hanshin, Nankai, Osaka Monorail, Kita-Osaka Kyuko, Keihan, Eizan Railway, Keifuku, Sangi Railway, Ohmi Railway…

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Functions and services

Interoperation

Retail

Technology

Mobile devices

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.

Map overview Semantic statistics

ICOCA

Nodes60
Edges59
Triples69
Avg. degree1.97
Density0.033333
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

ICOCA

Top relations

related to Interoperation · 31
ICOCA → Conversely, Fukuoka, Hiroshima, IC, Japan's Nationwide Mutual Usage, JR Central, JR Central's TOICA, JR East, JR East's Suica, JR Kyushu, JR Kyushu's SUGOCA, JR Shikoku, JR West, Keihan, Kintetsu, Nagoya, Okayama, On August, On December, On January
Variants · 7
ICOCA → Ainokaze ICOCA (sold by Ainokaze Toyama Railway), Apple Pay TOICA (sold by JR Central), Hapi-Line Fukui ICOCA (sold by Hapi-Line Fukui), ICOCA, IR Ishikawa ICOCA (sold by IR Ishikawa Railway), Shikoku ICOCA (sold by JR Shikoku), SMART ICOCA
related to Retail · 7
ICOCA → Cards, JR West, JR West's, Shikoku, Shikoku ICOCA, The, These
related to Variants · 6
ICOCA → Ainokaze Toyama Railway, Cards, Hapi-Line Fukui, IR Ishikawa Railway, JR Shikoku, Standard ICOCAICOCA定期券
related to Mobile devices · 5
ICOCA → March, Mobairu Ikoka, Mobile FeliCa, Mobile ICOCA, Osaifu-Keitai
related to Functions and services · 3
ICOCA → An ICOCA, The, Usage
Credit expiry · 1
ICOCA → Ten years after last use
Currency · 1
ICOCA → Japanese yen (¥20,000 maximum load)
Launched · 1
ICOCA → November 1, 2003
Location · 1
ICOCA → Usable nationwide Distributed in Kansai, San'yō, Hokuriku, Kagawa, and Tokushima

Important terminology Word statistics

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

Important terminology

card usable jr became also west area cards ticket shikoku smart technology fare services hiroshima march used rail osaka kansai

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
ICOCACredit expiryTen years after last use1.00infobox
ICOCACurrencyJapanese yen (¥20,000 maximum load)1.00infobox
ICOCALaunchedNovember 1, 20031.00infobox
ICOCALocationUsable nationwide Distributed in Kansai, San'yō, Hokuriku, Kagawa, and Tokushima1.00infobox
ICOCAManagerJR West1.00infobox
ICOCARetailedJR West, Osaka Metro, Kyoto Subway, Kobe Subway, Kintetsu, Hankyu, Hanshin, Nankai, Osaka Monorail, Kita-Osaka Kyuko, Keihan, Eizan Railway, Keifuku, Sangi Railway, Ohmi Railway…1.00infobox
ICOCAStored-valuePay as you go1.00infobox
ICOCATechnologyFeliCa1.00infobox
ICOCAVariantsICOCA1.00infobox
ICOCAVariantsSMART ICOCA1.00infobox
ICOCAVariantsShikoku ICOCA (sold by JR Shikoku)1.00infobox
ICOCAVariantsIR Ishikawa ICOCA (sold by IR Ishikawa Railway)1.00infobox
ICOCAVariantsAinokaze ICOCA (sold by Ainokaze Toyama Railway)1.00infobox
ICOCAVariantsHapi-Line Fukui ICOCA (sold by Hapi-Line Fukui)1.00infobox
ICOCAVariantsApple Pay TOICA (sold by JR Central)1.00infobox
ICOCAWebsitewww.jr-odekake.net/icoca/1.00infobox
ICOCAis aabbreviation of0.90text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.