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 (162 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 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 {'amount': '+176'}[25].

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 (162 views/month, #7,039 of 1,000,298).[9] He has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[26] He is known by 57 alternative names across languages and contexts.[27]

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] . wikidata.org.
  14. [15] . 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] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] . Wikidata sitelinks. wikidata.org.
  3. [27] . 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)

Canonical URL: https://4ort.xyz/entity/k-ichi-yamadera · Last refreshed:

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. 20h ago · MsMorale · 2026-09-01 view diff on Wikidata ↗
    Sinemalar person id 35864, 509582
    "/* wbcreateclaim-create:1| */ [[Property:P7553]]: 509582, [[:toollabs:quickstatements/#/batch/270112|batch #270112]]"
  2. 23h ago · MsMorale · 2026-09-01 view diff on Wikidata ↗
    Sinemalar person id 35864, 509582
    "/* wbcreateclaim-create:1| */ [[Property:P7553]]: 35864, [[:toollabs:quickstatements/#/batch/270112|batch #270112]]"
  3. 2d ago · ならちゃん · 2026-08-31 view diff on Wikidata ↗
    P14831 1327
    "/* wbcreateclaim-create:1| */ [[Property:P14831]]: 1327, #quickstatements; #temporary_batch_1788164369999"
  4. 2d ago · ならちゃん · 2026-08-31 view diff on Wikidata ↗
    P14827 11072
    P14750 5646-1180-C2FC-3A27-76DF
    "/* wbcreateclaim-create:1| */ [[Property:P14827]]: 11072, #quickstatements; #temporary_batch_1788158030743"
  5. 23d ago · ZI Jony · 2026-08-10 view diff on Wikidata ↗
    P14768 T0000510
    "/* wbsetclaim-create:2||1 */ [[Property:P14768]]: T0000510"
  6. 4w ago · ならちゃん · 2026-07-31 view diff on Wikidata ↗
    P14565 0000035712
    Bugs! artist id 20026014
    Supraphonline artist id 886954
    "/* wbsetclaim-create:1||1 */ [[Property:P14565]]: 0000035712, Matched to #mix'n'match [[:toollabs:mix-n-match/#/entry/296209453|山寺宏一 (#296209453)]] for {{P|14565}}"
  7. 6w ago · ならちゃん · 2026-07-17 view diff on Wikidata ↗
    Cine21 person id 34312
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/42112|batch #42112]]"
  8. 7w ago · ならちゃん · 2026-07-11 view diff on Wikidata ↗
    P14588 454
    "/* wbcreateclaim-create:1| */ [[Property:P14588]]: 454, #quickstatements; #temporary_batch_1783813548823"
  9. 11w ago · BorkedBot bot · 2026-06-16 view diff on Wikidata ↗
    Textove.com artist id kouichi-yamadera
    Lyricstranslate id koichi-yamadera-lyrics.html
    Nientepopcorn person id kouichi-yamadera
    Trakt.tv id people/koichi-yamadera-44b5305d-9fa5-40f4-b8bd-d85c2f2c2b86
    + 17 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P1810]]: Kōichi Yamadera, update metadata from fandom API ([[:toolforge:editgroups/b/CB/67b0222d7adc|details]])"
  10. 11w ago · ならちゃん · 2026-06-15 view diff on Wikidata ↗
    Deutsche synchronkartei actor id 22714
    The numbers person id 1586690401
    "/* wbsetclaim-create:1||1 */ [[Property:P4657]]: 1586690401, Matched to #mix'n'match [[:toollabs:mix-n-match/#/entry/67230084|Kōichi Yamadera (#67230084)]] for {{P|4657}}"
  11. 14w 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"
  12. 16w 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"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.