Koichiro Hirayama
type: Person
description: Olympic medalist in wrestling
birth date: 1946-09-09
birth place: Kagoshima
nationality: Japan
alumni of: Toyo University
has occupation: amateur wrestler
additional property: PropertyValue
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  value: Kagoshima
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  value: ひらやま こういちろう
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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confidence:
  popularity graph score:
    score: 0.013
    score pct: 1
    tier: long_tail
    components:
      sitelinks: 15
      sitelinks norm: 0.035
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 6
      monthly pageviews norm: 0.0
  sitelinks: 15
  unique citations: 2
  monthly pageviews: 6
  yearly pageviews: 20
  pageview trend:
    m: 2026-08
    v: 6
  pageview trend:
    m: 2026-07
    v: 3
  pageview trend:
    m: 2026-06
    v: 2
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 1
  pageview trend:
    m: 2026-04
    v: 4
  popularity:
    sitelinks: 15
    max: 423
    pct: 3.5
  tier: long_tail
claims:
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    value label: Kagoshima
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    value label: Japan
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    value: +1946-09-09T00:00:00Z
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    value label: amateur wrestling
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    value label: Hirayama
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    value label: Kōichirō
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    value: Q8037848
    source count: 1
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    value label: wrestling at the 1972 Summer Olympics – men's Greco-Roman 52 kg
  P1344:
    value: Q8037866
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    value label: wrestling at the 1976 Summer Olympics – men's Greco-Roman 52 kg
  P1447:
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  P1559:
    value:
      lang: ja
      text: 平山紘一郎
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  P1814:
    value: ひらやま こういちろう
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    confidence: 0.2
  P2067:
    value:
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value: 2139803
source count: 0
confidence: 0.0

value: 59006
source count: 0
confidence: 0.0

source: Freebase Data Dumps
stated in qid: Q15241312
pub year: 2013

source: Olympedia
stated in qid: Q95606922

wikidata id: Q4353277
domain: human
level: standard
html url: https://4ort.xyz/entity/koichiro-hirayama
markdown url: https://4ort.xyz/entity/koichiro-hirayama.md
facts url summary: https://4ort.xyz/entity/koichiro-hirayama/facts.json
facts url standard: https://4ort.xyz/entity/koichiro-hirayama/facts.json
facts url full: https://4ort.xyz/entity/koichiro-hirayama/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-12T18:23:24.782262Z
entity updated at: 2026-04-10T23:58:16.760302+00:00Z
entity created at: 2026-04-10T23:58:16.760302+00:00Z