Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84

The New York Times article (May 1, 2020)
VisualArtwork obituary Q123551857
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Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84

Summary

Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84 is an obituary[1].

Key Facts

  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84 authored John Schwartz[2].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's instance of is recorded as obituary[3].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's language of work or name is recorded as American English[4].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's publication date is recorded as +2020-05-01T00:00:00Z[5].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's main subject is recorded as Takuo Aoyagi[6].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's work available at URL is recorded as https://www.nytimes.com/2020/05/01/science/takuo-aoyagi-an-inventor-of-the-pulse-oximeter-dies-at-84.html[7].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's published in is recorded as The New York Times[8].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's title is recorded as Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84[9].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's author name string is recorded as Hikari Hida[10].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's article ID is recorded as 100000007116419[11].
  • Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84's number of words is recorded as {'unit': '1', 'amount': '+683'}[12].

Body

Works and Contributions

Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84 authored John Schwartz[2].

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [2] . wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . wikidata.org.
  5. [6] . wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. 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). Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84. Retrieved May 3, 2026, from https://4ort.xyz/entity/takuo-aoyagi-an-inventor-of-the-pulse-oximeter-dies-at-84
MLA “Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/takuo-aoyagi-an-inventor-of-the-pulse-oximeter-dies-at-84.
BibTeX @misc{4ortxyz_takuo-aoyagi-an-inventor-of-the-pulse-oximeter-dies-at-84_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84}}, year = {2026}, url = {https://4ort.xyz/entity/takuo-aoyagi-an-inventor-of-the-pulse-oximeter-dies-at-84}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Takuo Aoyagi, an Inventor of the Pulse Oximeter, Dies at 84 — https://4ort.xyz/entity/takuo-aoyagi-an-inventor-of-the-pulse-oximeter-dies-at-84 (retrieved 2026-05-03)

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