Kōichi Yamadera

Japanese actor, voice actor, singer and narrator
Person human Q333194
Press Enter · cited answer in seconds

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 (4,367 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].

Product Details

The following facts are restated verbatim from public-domain and CC0 open-data sources — every line is independently verifiable against the named source's catalog.

MusicBrainz — CC0 open music encyclopedia

  • Type: Person[26]

  • Country: JP[27]

  • Began / founded: 1961-06-17[28]

  • MusicBrainz ID: fdfe2b1c-d8cc-4d0d-94e8-4f72a41c79d8[29]

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 (4,367 views/month, #7,039 of 1,000,298).[9] He has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[30] He is known by 57 alternative names across languages and contexts.[31]

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.

Product details (FDA / USDA / NHTSA public-domain catalog data)

  1. [26] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  2. [27] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  3. [28] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  4. [29] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [9] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] ↑ . Wikidata sitelinks. wikidata.org.
  3. [31] ↑ . 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 October 5, 2026, from https://4ort.xyz/entity/k-ichi-yamadera
MLA “Kōichi Yamadera.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Oct. 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: 2026-10-05}}
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 2026-10-05)

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. 20d ago · MsMorale · 2026-09-16 view diff on Wikidata ↗
    Kinobaza person id → koichi-yamadera
    P14487 → profile/30965
    "/* wbcreateclaim-create:1| */ [[Property:P10166]]: koichi-yamadera, [[:toollabs:quickstatements/#/batch/273862|batch #273862]]"
  2. 29d ago · ならちゃん · 2026-09-06 view diff on Wikidata ↗
    P14487 → profile/30965
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/52435|batch #52435]]"
  3. 4w 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]]"
  4. 4w 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]]"
  5. 5w 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"
  6. 5w 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"
  7. 8w ago · ZI Jony · 2026-08-10 view diff on Wikidata ↗
    P14768 → T0000510
    "/* wbsetclaim-create:2||1 */ [[Property:P14768]]: T0000510"
  8. 9w 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}}"
  9. 11w 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]]"
  10. 12w 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"
  11. 15w 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]])"
  12. 16w 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}}"
  13. 18w ago · ならちゃん · 2026-05-27 view diff on Wikidata ↗
    P14487 → profile/30965
    "/* wbsetclaim-create:2||1 */ [[Property:P14487]]: eiga/artist/30965"
  14. 20w 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.