Particle analyzer including a rod lens having a curved surface

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United States of America Patent

PATENT NO 5822062
SERIAL NO

08713638

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A particle analyzer which can maintain optical characteristics of an optical system which is one component thereof at a fixed level for a long period of time is provided. In the particle analyzer comprising a flow cell for forming a sheathed sample flow containing particulate components; an irradiating optical system for irradiating a sheathed sample flow formed in the flow cell; and a light receiving optical system for receiving light emitted from the sheathed sample flow in the flow cell irradiated by the irradiating optical system, the light receiving optical system comprises a rod lens to which the light emitted from the sheathed sample flow in the flow cell enters and an entrance surface of the rod lens is curved.

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Patent Owner(s)

Patent OwnerAddress
TOA MEDICAL ELECTRONICS CO LTDKOBE-SHI HYOGO-KEN

International Classification(s)

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  • 1996 Application Filing Year
  • G01N Class
  • 2869 Applications Filed
  • 1348 Patents Issued To-Date
  • 46.99 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199619971998199920002001200220032004200520062007200820092010201120120255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kusuzawa, Hideo Kobe, JP 15 733

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Patent Citation Ranking

  • 2 Citation Count
  • G01N Class
  • 2.26 % this patent is cited more than
  • 27 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges317193171287036151412751601 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650700750800

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