John Landwehr

Title: John Landwehr: Innovator in Multimedia Security

Introduction

John Landwehr is a notable inventor based in Vienna, VA (US), recognized for his contributions to multimedia security. With a total of 8 patents, Landwehr has made significant strides in the field of encrypted multimedia content.

Latest Patents

One of Landwehr's latest patents focuses on the secure recording and rendering of encrypted multimedia content. This innovation allows an authorized user to obtain a packaging license, granting permission to use a specific recording device to generate multimedia content under defined license terms. The packaging license includes a content key that encrypts the multimedia content at the point of capture. This encrypted content can be transmitted via unsecure channels, such as electronic mail, to a networked content repository or an intended recipient. For playback, an authorized user must obtain a playback license, which allows them to decrypt and play back the multimedia content using a designated playback device. An authorization server and a key management server manage user entitlements and license terms, while maintaining a record of granted authorizations for auditing purposes.

Career Highlights

Throughout his career, John Landwehr has worked with prominent companies, including Adobe Systems Inc. and Adobe, Inc. His expertise in multimedia security has positioned him as a key figure in the industry.

Collaborations

Landwehr has collaborated with notable professionals, including Isak Tenenboym and Philip Levy, further enhancing his contributions to the field.

Conclusion

John Landwehr's innovative work in multimedia security has established him as a leading inventor in the industry. His patents reflect a commitment to advancing technology in secure content management.