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Four-Phase Systems

American computer company (1969–1981)
Organization Business Q5474890

Facts

9 properties

Identity

Instance of
business

Status and dates

Inception
February 1969[6]
Dissolved, abolished or demolished
1981[7]

Location

Headquarters location
Cupertino[4]
Country
United States[1]

Industry and activity

Industry
semiconductor[5]

People

Founder
Lee Boysel[2]

Relations

Owned by
Motorola[3]
More facts +1
Afterward owned by
Motorola[8]
🏷️ Also known as
en Four Phase Systems en Four-Phase Systems en Four-Phase Systems Inc en Four-Phase Systems, Inc. fa سیستم های چهار فاز
🔖 Identifiers · 1
Freebase ID
/m/0fwp82

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References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Four-Phase Systems. Retrieved November 10, 2026, from https://4ort.xyz/entity/four-phase-systems
MLA “Four-Phase Systems.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/four-phase-systems.
BibTeX @misc{4ortxyz_four-phase-systems_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Four-Phase Systems}}, year = {2026}, url = {https://4ort.xyz/entity/four-phase-systems}, note = {Accessed: 2026-11-10}}
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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. 25w ago · KaleemBot bot · 2026-05-19 view diff on Wikidata ↗
    Afterward owned by → Motorola
    Freebase ID → /m/0fwp82
    Instance of → business
    Wikidata description → American computer company (1969–1981)
    + 9 other properties edited (see Wikidata diff for full list)
    "Changed [ur] labels, descriptions, aliases and claims"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.