Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Hsieh Ming
 2. Date of Event Requiring Statement (Month/Day/Year)
09/23/2004		 3. Issuer Name and Ticker or Trading Symbol
Cogent, Inc. [COGT]
(Last)
(First)
(Middle)
209 FAIR OAKS AVENUE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and CEO
 5. If Amendment, Date Original Filed(Month/Day/Year)
09/23/2004
(Street)

SOUTH PASADENA, CA 91030		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 54,000,000
D
 
Common Stock 3,000,000
I
By: Ming Hsieh, as TTEE of the Ming Hsieh Annuity Trust No. 1 dated 5/11/04
Common Stock 3,000,000
I
By: Fang Liu Hsieh, as TTEE of the Fang Liu Hsieh Annuity Trust No. 1 dated 5/12/04 (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy)   (1) 08/18/2010 Common Stock 600,000 $ 0.3 I By: Fang Liu Hsieh (2)
Employee Stock Option (right to buy)   (1) 01/01/2013 Common Stock 60,000 $ 0.75 I By: Fang Liu Hsieh (2)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Hsieh Ming
209 FAIR OAKS AVENUE
SOUTH PASADENA, CA 91030		   X   X   President and CEO  

Signatures

Ming Hsieh 05/04/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Options vest over a four year period based upon continued affiliation with Cogent, Inc.
(2) The reporting person is the spouse of Fang Liu Hsieh. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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