Item 7.01 Regulation FD Disclosure

(updated version to correct date used in first paragraph)

On July 29, 2009, Research Frontiers Inc. posted to its web site the following update regarding its licensee, Hitachi Chemical Co.'s SPD film business:

Research Frontiers is pleased to congratulate Hitachi Chemical Company on the launch of their new website devoted to Research Frontiers' patented SPD-Smart light-control technology:

http://www.hitachi-chem.co.jp/english/products/aprm/006.html.

Also more information about Hitachi Chemical's SPD-Smart light-control film, and projections for the growth of this business for Hitachi, appeared in a recent article entitled "Hitachi Chemical Rolls Out Voltage-controlled Dimming Film":

http://techon.nikkeibp.co.jp/english/NEWS_EN/20090722/173318/.

This supplements the update made in June 2009 with comments and an analysts presentation made by Mr. Kazuyuki Tanaka, the president of Hitachi Chemical Company regarding their SPD Light-Control Business becoming part of Hitachi Chemical's Urgent Sales Growth Projects

Mr. Tanaka's complete presentation and remarks have been published by Hitachi Chemical and are available on their web site at:

http://www.hitachi-chem.co.jp/english/ir/accounts/2008_4q_tn.html

Mr. Tanaka's remarks highlight Hitachi Chemical's desire to establish new next-generation core businesses to supplement and replace its existing core businesses.

This report, the above-referenced article, and the Hitachi CHemical website and presentation referred to hereing may include statements that may constitute "forward-looking" statements as referenced in the Private Securities Litigation Reform Act of 1995. Those statements usually contain words such as "believe", "estimate", "project", "intend", "expect", or similar expressions. Any forward-looking statements are made by the Company in good faith, pursuant to the safe-harbor provisions of the Act. These forward-looking statements reflect management's current views and projections regarding economic conditions, industry environments and Company performance. Factors, which could significantly change results, include but are not limited to: sales performance, expense levels, competitive activity, interest rates, changes in the Company's financial condition and several business factors. Additional information regarding these and other factors may be included in the Company's quarterly 10-Q and 10K filings and other public documents, copies of which are available from the Company on request. By making these forward-looking statements, the Company undertakes no obligation to update these statements for revisions or changes after the date of this report.

The information in this Form 8-K, the above-referenced article, and the Hitachi Chemical website and the presentation referred to herein shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, except as shall be expressly set forth by specific reference in such filing.