Takuo Aoyagi

Japanese engineer and developer of pulse oximetry
Person human Q11661929
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Takuo Aoyagi

Summary

Takuo Aoyagi is a human[1]. He was born in Niigata Prefecture[2]. He was born on +1936-02-14T00:00:00Z[3]. He passed away in Tokyo[4]. He died on +2020-04-18T00:00:00Z[5]. He worked as an engineer[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,297 of 1,000,298).[7]

Key Facts

  • Born in Niigata Prefecture[2], Takuo Aoyagi…
  • Takuo Aoyagi died in Tokyo[4].
  • Takuo Aoyagi was born on +1936-02-14T00:00:00Z[3].
  • Takuo Aoyagi died on +2020-04-18T00:00:00Z[5].
  • Takuo Aoyagi held citizenship in Japan[8].
  • Takuo Aoyagi held citizenship in Empire of Japan[9].
  • Takuo Aoyagi worked as an engineer[6].
  • Takuo Aoyagi was employed by Shimadzu Corp.[10].
  • Takuo Aoyagi was employed by Nihon Kohden[11].
  • Takuo Aoyagi was educated at Niigata University[12].
  • Takuo Aoyagi received the Medal with Purple Ribbon[13].
  • Takuo Aoyagi received the IEEE Medal for Innovations in Healthcare Technology[14].
  • Takuo Aoyagi is recorded as male[15].
  • Takuo Aoyagi's instance of is recorded as human[16].
  • Takuo Aoyagi's family name is recorded as Aoyagi[17].
  • Takuo Aoyagi's given name is recorded as Takuo[18].
  • Takuo Aoyagi's described by source is recorded as Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84[19].
  • Takuo Aoyagi's languages spoken, written or signed is recorded as Japanese[20].
  • Takuo Aoyagi's name in kana is recorded as あおやぎ たくお[21].
  • Takuo Aoyagi's Google Knowledge Graph ID is recorded as /g/1211jlvy[22].
  • Takuo Aoyagi's WikiTree person ID is recorded as 青柳-3[23].
  • Takuo Aoyagi's Justia Patents inventor ID is recorded as takuo-aoyagi[24].
  • Takuo Aoyagi's Semantic Scholar author ID is recorded as 21912895[25].
  • Takuo Aoyagi's ResearchGate contributions ID is recorded as 9498604[26].
  • Takuo Aoyagi's IEEE Xplore author ID is recorded as 38058558400[27].

Body

Origins and Family

Takuo Aoyagi's place of birth was Niigata Prefecture[2]. He was born on +1936-02-14T00:00:00Z[3].

Education

Takuo Aoyagi was educated at Niigata University[12].

Career and Affiliations

Takuo Aoyagi worked as an engineer[6]. Employers include Shimadzu Corp.[10], a business[28], in Japan[29], founded in 1875[30], headquartered in Nakagyō Ward[31] and Nihon Kohden[11], a business[32], in Japan[33], founded in 1951[34], headquartered in Nishi-Ochiai[35].

Recognition

Awards received include Medal with Purple Ribbon[13], a grade of an order[36], in Japan[37], founded in 1955[38] and IEEE Medal for Innovations in Healthcare Technology[14], a science award[39], founded in 2009[40].

Death and Burial

Takuo Aoyagi died on +2020-04-18T00:00:00Z[5]. He died in Tokyo[4].

Why It Matters

Takuo Aoyagi ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,297 of 1,000,298).[7]

He is credited with the discovery of pulse oximeter[41], a medical device[42], founded in 1974[43].

FAQs

Where was Takuo Aoyagi born?

Born in Niigata Prefecture[2], Takuo Aoyagi…

Where did Takuo Aoyagi die?

Takuo Aoyagi died in Tokyo[4].

What did Takuo Aoyagi do for work?

Takuo Aoyagi worked as engineer[6].

Where did Takuo Aoyagi go to school?

Takuo Aoyagi was educated at Niigata University[12].

What awards did Takuo Aoyagi receive?

Honors received include Medal with Purple Ribbon[13] and IEEE Medal for Innovations in Healthcare Technology[14].

What did Takuo Aoyagi discover?

Takuo Aoyagi is credited as discoverer of pulse oximeter[41].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . wikidata.org.
  3. [15] . wikidata.org.
  4. [8] . wikidata.org.
  5. [9] . wikidata.org.
  6. [16] . wikidata.org.
  7. [12] . wikidata.org.
  8. [6] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [3] . wikidata.org.
  14. [5] . wikidata.org.
  15. [17] . 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.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [41] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [33] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [35] . Wikidata. wikidata.org. → on this site
  9. [36] . Wikidata. wikidata.org. → on this site
  10. [37] . Wikidata. wikidata.org. → on this site
  11. [38] . Wikidata. wikidata.org. → on this site
  12. [39] . Wikidata. wikidata.org. → on this site
  13. [40] . Wikidata. wikidata.org. → on this site
  14. [42] . Wikidata. wikidata.org. → on this site
  15. [43] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.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). Takuo Aoyagi. Retrieved April 10, 2026, from https://4ort.xyz/entity/takuo-aoyagi
MLA “Takuo Aoyagi.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/takuo-aoyagi.
BibTeX @misc{4ortxyz_takuo-aoyagi_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Takuo Aoyagi}}, year = {2026}, url = {https://4ort.xyz/entity/takuo-aoyagi}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Takuo Aoyagi — https://4ort.xyz/entity/takuo-aoyagi (retrieved 2026-04-10)

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