<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
------
InVision Technologies, Inc.
----------------------------------
(Name of Issuer)
Common Stock, par value $0.001 per share
----------------------------------
(Title of Class of Securities)
461851 10 7
----------------------------------
(CUSIP Number)
*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 the disclosures provided in a prior page.
The information required in 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 7 Pages
---
<PAGE>
CUSIP No. 461851 10 7 13G Page 2 of 7 Pages
--------- --- ---
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
HAKON Holdings, S.A.
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
Luxembourg
- -------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially 242,737
Owned by --------------------------------------------------
Each Reporting (6) Shared Voting Power
Person With 0
--------------------------------------------------
(7) Sole Dispositive Power
242,737
--------------------------------------------------
(8) Shared Dispositive Power
0
- -------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
242,737
- -------------------------------------------------------------------------------
(10) Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
5.44%
- -------------------------------------------------------------------------------
(12) Type of Reporting Person*
OO (Corporation)
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
CUSIP No. 461851 10 7 13G Page 3 of 7 Pages
--------- --- ---
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Bruno Trezza
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
Italy
- -------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially 261,273
Owned by --------------------------------------------------
Each Reporting (6) Shared Voting Power
Person With 0
--------------------------------------------------
(7) Sole Dispositive Power
261,273
--------------------------------------------------
(8) Shared Dispositive Power
0
- -------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
261,273
- -------------------------------------------------------------------------------
(10) Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
5.83%
- -------------------------------------------------------------------------------
(12) Type of Reporting Person*
IN
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE> Page 4 of 7 Pages
--- ---
ITEM 1(A). NAME OF ISSUER
InVision Technologies, Inc.
- -------------------------------------------------------------------------------
ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES
3420 E. Third Avenue
Foster City, CA 94404
- -------------------------------------------------------------------------------
ITEM 2(A). NAME OF PERSON(S) FILING
HAKON Holdings, S.A.
Bruno Trezza
- -------------------------------------------------------------------------------
ITEM 2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE
(i) The address of HAKON Holdings, S.A. is:
2 Boulevard Royal
Luxembourg
(ii) The address of Bruno Trezza is:
Via Orazio 30
Rome, Italy 00193
- -------------------------------------------------------------------------------
ITEM 2(C). CITIZENSHIP
HAKON Holdings, S.A. Luxembourg
Bruno Trezza Italy
- -------------------------------------------------------------------------------
ITEM 2(D). TITLE OF CLASS OF SECURITIES
Common Stock, par value $0.001 per share
- -------------------------------------------------------------------------------
ITEM 2(E). CUSIP NUMBER
461851 10 7
- -------------------------------------------------------------------------------
ITEM 3. TYPE OF PERSON
Not Applicable
- -------------------------------------------------------------------------------
<PAGE>
Page 5 of 7 Pages
--- ---
ITEM 4. OWNERSHIP
(a) Amount Beneficially Owned:
HAKON Holdings, S.A. is the beneficial owner of 242,737 shares of the
Common Stock of InVision Technologies, Inc. Bruno Trezza is the
controlling stockholder of HAKON Holdings, Inc. In addition, Dr.
Trezza has the right to acquire 18,536 shares of Common Stock
pursuant to exercisable stock options within 60 days after December
31, 1996.
---------------------------------------------------------------------------
(b) Percent of Class:
HAKON Holdings, S.A. 5.44%
Bruno Trezza 5.83%
---------------------------------------------------------------------------
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote
HAKON Holdings, S.A. 242,737 shares
Bruno Trezza 261,273 shares
-----------------------------------------------------------------
(ii) shared power to vote or to direct the vote
HAKON Holdings, S.A. 0
Bruno Trezza 0
-----------------------------------------------------------------
(iii) sole power to dispose or to direct the disposition of
HAKON Holdings, S.A. 242,737 shares
Bruno Trezza 261,273 shares
-----------------------------------------------------------------
(iv) shared power to dispose or to direct the disposition of
HAKON Holdings, S.A. 0
Bruno Trezza 0
-----------------------------------------------------------------
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
Not Applicable
- -------------------------------------------------------------------------------
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
Not Applicable
- -------------------------------------------------------------------------------
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY
Not Applicable
- -------------------------------------------------------------------------------
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not Applicable
- -------------------------------------------------------------------------------
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not Applicable
- -------------------------------------------------------------------------------
ITEM 10. CERTIFICATION
Not Applicable
- -------------------------------------------------------------------------------
EXHIBIT A: JOINT FILING STATEMENT
<PAGE>
Page 6 of 7 Pages
--- ---
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.
Date: February 11, 1997
HAKON HOLDINGS, S.A. BRUNO TREZZA
By: /s/ Curtis P. DiSibio /s/ Curtis P. DiSibio
------------------------------------- -----------------------------------
Name: Curtis P. DiSibio, Attorney-in-fact Curtis P. DiSibio, Attorney-in-fact
<PAGE>
Page 7 of 7 Pages
--- ---
EXHIBIT A
JOINT FILING STATEMENT
Pursuant to Rule 13d-1(f)(1), we, the undersigned, hereby express our
agreement that the attached Schedule 13G is filed on behalf of each of us.
Date: February 11, 1997
HAKON HOLDINGS, S.A.
By: /s/ Curtis P. DiSibio
--------------------------------------
Curtis P. DiSibio, Attorney-in-fact
BRUNO TREZZA
/s/ Curtis P. DiSibio
-----------------------------------------
Curtis P. DiSibio, Attorney-in-fact