UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 1)*


                         Liquidmetal Technologies, Inc.
- --------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, par value $.001 per share
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                     53634X
    ------------------------------------------------------------------------
                                 (CUSIP Number)

                                December 31, 2003
- --------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

             [_]              Rule 13d-1(b)

             [X]              Rule 13d-1(c)

             [_]              Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).


                        (Continued on following page(s))
                                Page 1 of 5 Pages

- ------------------------------------------------------ CUSIP No. 53634X - ------------------------------------------------------ ================================================================================ 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Tjoa Thian Song - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Singapore - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 4,333,104 SHARES --------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH --------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON 4,333,104 WITH --------------------------------------------------- 8 SHARED DISPOSITIVE POWER - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,333,104 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 10.35% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IN ================================================================================ Page 2 of 5 Pages

- ------------------------------------------------------ CUSIP No. 53634X - ------------------------------------------------------ Item 1(a). Name of Issuer: --------- -------------- Liquidmetal Technologies, Inc. Item 1(b). Address of Issuer's Principal Executive Offices: --------- ----------------------------------------------- 25800 Commercentre Dr., Suite 100, Lake Forest, California 92630 Item 2(a). Name of Person Filing: --------- --------------------- Tjoa Thian Song Item 2(b). Address of Principal Business Office or, if none, --------- ------------------------------------------------- Residence: --------- 61 Branksome Road, Singapore 439592 Item 2(c). Citizenship: --------- ----------- Singapore Item 2(d). Title of Class of Securities: --------- ---------------------------- Common Stock, par value $.001 per share Item 2(e). CUSIP Number: --------- ------------ 53634X Item 3. If this statement is filed pursuant to Rules ------ -------------------------------------------- 13d-1(b), or 13d-2(b) or (c), check whether the ----------------------------------------------- person filing is a: ------------------ N/A Item 4. Ownership (as of December 31, 2003) ------- ----------------------------------- (a) Amount Beneficially Owned: 4,333,104 (b) Percent of Class: 10.35% Page 3 of 5 Pages

- ------------------------------------------------------ CUSIP No. 53634X - ------------------------------------------------------ (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 4,333,104* (ii) shared power to vote or to direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 4,333,104* (iv) shared power to dispose or to direct the disposition of: 0 *Includes 324,581 shares that the reporting person does not yet own but has the right to acquire pursuant to Rule 13d-3 upon the exercise of outstanding stock options. Item 5. Ownership of Five Percent or Less of a Class. ------ -------------------------------------------- N/A Item 6. Ownership of More than Five Percent on Behalf of ------ ------------------------------------------------ Another Person. -------------- 4,008,523 of the beneficially owned shares are held by a revocable grantor trust in which the reporting person is the trustee and over which the reporting person has sole voting and dispositive power. Item 7. Identification and Classification of the ------ ---------------------------------------- Subsidiary Which Acquired the Security Being -------------------------------------------- Reported on By the Parent Holding Company. ----------------------------------------- N/A Item 8. Identification and Classification of Members of ------ ----------------------------------------------- the Group. --------- N/A Item 9. Notice of Dissolution of Group. ------ ------------------------------ N/A Item 10. Certification. ------- ------------- By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Page 4 of 5 Pages

- ------------------------------------------------------ CUSIP No. 53634X - ------------------------------------------------------ SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. February 12, 2004 ----------------------------------- Date /s/ Tjoa Thian Song ----------------------------------- Signature Tjoa Thian Song ----------------------------------- Name/Title Page 5 of 5 Pages