Sony Joins Fujitsu, HP and Casio to Secure Licensing Rights to Widely Used

MMP Technologies

CARLSBAD, Calif., June 5 /PRNewswire-FirstCall/ -- Patriot Scientific

Corporation (OTC Bulletin Board: PTSC) confirmed today that Sony

Corporation has purchased a license to the Moore Microprocessor Patent(TM)

(MMP) Portfolio. Sony joins an expanding group of global system

manufacturers, including Fujitsu, Hewlett-Packard and Casio Computer that

have become MMP Portfolio licensees this calendar year. Terms of the

license were not disclosed.

``This is a pivotal time for the MMP licensing program,`` said David

Pohl, Patriot Scientific chairman and CEO. ``Adding Sony to our ever-growing

number of MMP licensees reinforces the strength of our jointly owned patent

portfolio as well as our business and licensing strategy. The MMP Portfolio

Licensing Program rewards first movers in their industry sectors with

substantial discounts. Sony was successful in achieving this distinct

honor.``

About Patriot Scientific

Patriot Scientific has emerged as an effective and dynamic intellectual

property licensing company, developing and marketing innovative and

proprietary semiconductor technologies. The company`s portfolio of

proprietary designs encompasses what is believed to be fundamental

ultra-low-power array microprocessor technology, as well as pending patents

designed to protect Patriot`s proprietary technology.

Detailed information about Patriot Scientific can be found on at

http://www.ptsc.com . Copies of Patriot Scientific press releases, current

price quotes, stock charts and other valuable information for investors may

be found at http://www.hawkassociates.com and

http://www.americanmicrocaps.com . An investment profile on Patriot

Scientific may be found at

http://www.hawkassociates.com/patriot/profile.php .

About Alliacense

Alliacense(TM) is a TPL Group Enterprise executing best-in-class design

and implementation of intellectual property licensing programs. As a cadre

of IP licensing strategists, technology experts and experienced business

development/management executives, Alliacense focuses on expanding the

awareness and value of TPL`s intellectual property portfolios. For more

information, visit http://www.alliacense.com .

About the Patent Portfolio

The patent portfolio, marketed as the Moore Microprocessor Patent

Portfolio, contains intellectual property that is jointly owned by publicly

held Patriot Scientific Corporation and the privately held TPL Group. The

portfolio encompasses seven U.S. patents as well as their European and

Japanese counterparts. Both TPL and Patriot assert that their jointly owned

patents protect techniques used in designing microprocessors,

microcontrollers, Digital Signal Processors (DSPs), embedded processors and

System-on-Chip (SoC) implementations. The MMP Portfolio is exclusively

managed by Alliacense, a TPL Group enterprise.

Safe Harbor statement under the Private Securities Litigation Reform

Act of 1995: Statements in this news release looking forward in time

involve risks and uncertainties, including the risks associated with the

effect of changing economic conditions, trends in the products markets,

variations in the company`s cash flow, market acceptance risks, technical

development risks, seasonality and other risk factors detailed in the

company`s Securities and Exchange Commission filings.

NOTE: Moore Microprocessor Patent, MMP and Alliacense are trademarks of

Technology Properties Limited (TPL). All other trademarks belong to their

respective owners.

CONTACT:

Patriot Media Relations Patriot Investor Relations

The Hoffman Agency Hawk Associates

David Friedman Frank Hawkins or Ken AuYeung

+1-303-868-9641 +1-305-451-1888

dfriedman@hoffman.com info@hawkassociates.com

SOURCE Patriot Scientific Corporation

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Related links:

http://www.alliacense.com/

http://www.ptsc.com/