Particle analyzer including a rod lens having a curved surface
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Sep 13, 1996
filing date -
Sep 14, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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TOA MEDICAL ELECTRONICS CO LTD | KOBE-SHI HYOGO-KEN |
International Classification(s)

- 1996 Application Filing Year
- G01N Class
- 2869 Applications Filed
- 1348 Patents Issued To-Date
- 46.99 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kusuzawa, Hideo | Kobe, JP | 15 | 733 |
# of filed Patents : 15 Total Citations : 733 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- G01N Class
- 2.26 % this patent is cited more than
- 27 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Aug 06, 2015 | P | Published | |
Jan 29, 2015 | F | Filing | |
Jan 15, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAASE, BJORN;PILZ, STEFAN;REEL/FRAME:034840/0523 Owner name: ENDRESS + HAUSER CONDUCTA GESELLSCHAFT FUER MESS- Effective Date: Jan 15, 2015 |
Feb 06, 2014 | PD | Priority Date |

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