Kōichi Yamadera

Japanese actor, voice actor, singer and narrator
Person human Q333194
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Kōichi Yamadera

Summary

Kōichi Yamadera is a human[1]. He was born in Shiogama[2]. He was born on June 17, 1961[3]. He worked as an actor[4], singer[5], tarento[6], narrator[7], and radio personality[8]. He ranks in the top 0.7% of human entities by monthly Wikipedia readership (1,997 views/month, #7,039 of 1,000,298).[9]

Key Facts

  • Kōichi Yamadera was born in Shiogama[2].
  • Kōichi Yamadera was born on June 17, 1961[3].
  • Among Kōichi Yamadera's spouses was Robin Shoko Okada[10].
  • Kōichi Yamadera held citizenship in Japan[11].
  • Kōichi Yamadera's professions included actor[4].
  • Kōichi Yamadera worked as a singer[5].
  • Kōichi Yamadera's professions included tarento[6].
  • Kōichi Yamadera worked as a narrator[7].
  • Kōichi Yamadera's professions included radio personality[8].
  • Kōichi Yamadera worked as a seiyū[12].
  • Kōichi Yamadera's education included a stint at Tohoku Gakuin University[13].
  • Kōichi Yamadera received the Seiyu Awards Foreign Film/Drama Award[14].
  • Kōichi Yamadera received the Kei Tomiyama Award[15].
  • Kōichi Yamadera is recorded as male[16].
  • Kōichi Yamadera's instance of is recorded as human[17].
  • Kōichi Yamadera's given name is recorded as Kōichi[18].
  • Kōichi Yamadera's topic's main category is recorded as Q28696384[19].
  • Kōichi Yamadera's languages spoken, written or signed is recorded as Japanese[20].
  • Kōichi Yamadera's name in native language is recorded as {'lang': 'ja', 'text': '山寺宏一'}[21].
  • Kōichi Yamadera's name in kana is recorded as やまでら こういち[22].
  • Kōichi Yamadera's blood type is recorded as Q19831453[23].
  • Kōichi Yamadera's start of work period is recorded as 1985[24].
  • Kōichi Yamadera's height is recorded as {'unit': 'Q174728', 'amount': '+176'}[25].
  • Kōichi Yamadera's social media followers is recorded as {'amount': '+383691'}[26].
  • Kōichi Yamadera's social media followers is recorded as {'amount': '+457203'}[27].

Body

Origins and Family

Kōichi Yamadera was born in Shiogama[2]. He was born on June 17, 1961[3].

Education

Kōichi Yamadera was educated at Tohoku Gakuin University[13].

Career and Affiliations

Recorded occupations include actor[4], singer[5], tarento[6], narrator[7], radio personality[8], and seiyū[12].

Recognition

Awards received include Seiyu Awards Foreign Film/Drama Award[14] and Kei Tomiyama Award[15].

Personal Life

Among Kōichi Yamadera's spouses was Robin Shoko Okada[10].

Why It Matters

Kōichi Yamadera ranks in the top 0.7% of human entities by monthly Wikipedia readership (1,997 views/month, #7,039 of 1,000,298).[9] He has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[28] He is known by 45 alternative names across languages and contexts.[29]

FAQs

Where was Kōichi Yamadera born?

Born in Shiogama[2], Kōichi Yamadera…

Who was Kōichi Yamadera married to?

Kōichi Yamadera's spouses include Robin Shoko Okada[10].

What did Kōichi Yamadera do for work?

Kōichi Yamadera worked as actor[4], singer[5], tarento[6], narrator[7], and radio personality[8].

Where did Kōichi Yamadera go to school?

Kōichi Yamadera was educated at Tohoku Gakuin University[13].

What awards did Kōichi Yamadera receive?

Honors received include Seiyu Awards Foreign Film/Drama Award[14] and Kei Tomiyama Award[15].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [16] . wikidata.org.
  3. [10] . wikidata.org.
  4. [11] . wikidata.org.
  5. [17] . wikidata.org.
  6. [13] . wikidata.org.
  7. [4] . wikidata.org.
  8. [5] . wikidata.org.
  9. [6] . wikidata.org.
  10. [7] . wikidata.org.
  11. [8] . wikidata.org.
  12. [12] . wikidata.org.
  13. [14] . animenewsnetwork.com. Retrieved . animenewsnetwork.com. Provenance: wikidata.org.
  14. [15] . animenewsnetwork.com. Retrieved . animenewsnetwork.com. Provenance: wikidata.org.
  15. [3] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . Nihon Tarento Meikan. Retrieved . talent.yahoo.co.jp. Provenance: wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . Nihon Tarento Meikan. Retrieved . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Kōichi Yamadera. Retrieved April 10, 2026, from https://4ort.xyz/entity/k-ichi-yamadera
MLA “Kōichi Yamadera.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/k-ichi-yamadera.
BibTeX @misc{4ortxyz_k-ichi-yamadera_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kōichi Yamadera}}, year = {2026}, url = {https://4ort.xyz/entity/k-ichi-yamadera}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kōichi Yamadera — https://4ort.xyz/entity/k-ichi-yamadera (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7d ago · ならちゃん · 2026-05-27 view diff on Wikidata ↗
    P14487 eiga/artist/30965
    "/* wbsetclaim-create:2||1 */ [[Property:P14487]]: eiga/artist/30965"
  2. 21d ago · ならちゃん · 2026-05-12 view diff on Wikidata ↗
    P14419 44670
    "/* wbcreateclaim-create:1| */ [[Property:P14419]]: 44670, #quickstatements; #temporary_batch_1778615331778"
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