EXHIBIT 99.9


                Certification pursuant to 18 U.S.C. Section 1350,
      as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
      --------------------------------------------------------------------

In connection with the financial statements filed as part the prospectus of Form
S-1 of Patriot Scientific Corporation (the "Company") for the period ended May
31, 2002, as filed with the Securities and Exchange Commission on the date
hereof (the "Report"), I, Lowell W. Giffhorn, Chief Financial Officer of the
Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my
knowledge:

     3)   the Report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934, as amended; and

     4)   the  information  contained  in the  Report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Company.


                                                /s/ LOWELL W. GIFFHORN
                                                ----------------------------
                                                Name:  Lowell W. Giffhorn
                                                Title:    Exec. V.P. and CFO
                                                Date:    June 10, 2003




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