# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/masahiro-koishikawa
# Generated: 2026-08-14T17:16:51.852Z

schema: https://schema.org/Person
url: "https://fame.am/person/masahiro-koishikawa"
name: "Masahiro Koishikawa"
slug: "masahiro-koishikawa"
description: "Masahiro Koishikawa  was a Japanese astronomer. He studied both major and minor planets, and discovered multiple asteroids."
tagline: "Japanese astronomer (1952-)"
gender: "male"
country:
  name: "Japan"
  isoCode: "JP"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1952"
deathDate: "2020-08-26"
livingStatus: "DECEASED"
scores:
  popularity:           43.07
  momentum:             12.85714285714285
  historical:           11.13801333333333
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  55
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E5%B0%8F%E7%9F%B3%E5%B7%9D%E6%AD%A3%E5%BC%98"
    title: "小石川正弘"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%85%D8%A7%D8%B3%D8%A7%D9%87%D9%8A%D8%B1%D9%88_%D9%83%D9%88%D9%8A%D8%B4%D9%8A%D9%83%D8%A7%D9%88%D8%A7"
    title: "ماساهيرو كويشيكاوا"
    type:  "WIKIPEDIA"
  - url: "https://ast.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E5%B0%8F%E7%9F%B3%E5%B7%9D%E6%AD%A3%E5%BC%98"
    title: "小石川正弘"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EA%B3%A0%EC%9D%B4%EC%8B%9C%EC%B9%B4%EC%99%80_%EB%A7%88%EC%82%AC%ED%9E%88%EB%A1%9C"
    title: "고이시카와 마사히로"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Masahiro_Koishikawa"
    title: "Masahiro Koishikawa"
    type:  "WIKIPEDIA"
  - url: "https://th.wikipedia.org/wiki/%E0%B8%A1%E0%B8%B2%E0%B8%8B%E0%B8%B2%E0%B8%AE%E0%B8%B4%E0%B9%82%E0%B8%A3%E0%B8%B0_%E0%B9%82%E0%B8%84%E0%B8%AD%E0%B8%B4%E0%B8%8A%E0%B8%B4%E0%B8%81%E0%B8%B2%E0%B8%A7%E0%B8%B0"
    title: "มาซาฮิโระ โคอิชิกาวะ"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q973533"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump