EXHIBIT 23.3 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS Patriot Scientific Corporation San Diego, California We hereby consent to the use in the Prospectus constituting a part of this Registration Statement of our report dated July 19, 2002, except for note 1, dated as of August 23, 2002, relating to the consolidated financial statements and the financial statement schedule of Patriot Scientific Corporation, which are contained in that Prospectus. Our report contains an explanatory paragraph regarding the Company's ability to continue as a going concern. We also consent to the reference to us under the captions "Selected Financial Data" and "Experts" in the Prospectus. /s/ Nation Smith Hermes Diamond San Diego, California June 10, 2003 Ex-14