Company Filing History:

7 out of 40,739

Taiwan Semiconductor Manufacturing Comp. Ltd.

patents

3 out of 164,173

International Business Machines Corporation

Industrial Technology Research Institute

patents

where one patent can have more than one assignee

Years Active: 2001-2012

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8130199 - Compact universal keyboard (2012-03-06),

2. 8022382 - Phase change memory devices with reduced programming current (2011-09-20),

3. 7759764 - Elevated bipolar transistor structure (2010-07-20),

4. 7537982 - Method and structure for isolating substrate noise (2009-05-26),

5. 7492018 - Isolating substrate noise by forming semi-insulating regions (2009-02-17),

6. 7439957 - Compact universal keyboard (2008-10-21),

7. 7042032 - Magnetoresistive (MR) magnetic data storage device with sidewall spacer layer isolation (2006-05-09),

8. 6885577 - Magnetic RAM cell device and array architecture (2005-04-26),

9. 6744651 - Local thermal enhancement of magnetic memory cell during programming (2004-06-01),

10. 6525717 - Input device that analyzes acoustical signatures (2003-02-25),

11. 6245607 - Buried channel quasi-unipolar transistor (2001-06-12),

Title: Denny Duan-Lee Tang: Innovator in Keyboard Technology and Memory Devices

Introduction

Denny Duan-Lee Tang is a prominent inventor based in Saratoga, California. He holds a total of 11 patents, showcasing his innovative contributions to technology. His work primarily focuses on compact input devices and advanced memory technologies.

Latest Patents

One of his latest inventions is the Compact Universal Keyboard. This keyboard type input device is designed for use with wristwatches or portable telephones. It features multiple key positions that correspond to a conventional QWERTY keyboard. Additionally, it includes a second set of control buttons for selecting different rows of the keyboard, along with functions such as case shift and alpha-numerical control. The keyboard is particularly advantageous for portable devices due to its space-saving design. Another significant patent is for Phase Change Memory Devices with Reduced Programming Current. This device includes a conducting electrode within a dielectric layer and is designed to enhance the efficiency of memory storage. The innovative structure of this memory device allows for improved performance and reduced energy consumption.

Career Highlights

Denny has worked with notable companies such as Taiwan Semiconductor Manufacturing Company and IBM. His experience in these leading technology firms has significantly contributed to his expertise in the field of electronics and memory devices.

Collaborations

Throughout his career, Denny has collaborated with talented individuals, including Wen-Chin Lin and Frank Rui-Feng Chu. These collaborations have fostered innovation and the development of cutting-edge technologies.

Conclusion

Denny Duan-Lee Tang's contributions to the fields of keyboard technology and memory devices highlight his role as a significant inventor. His innovative patents continue to influence the development of portable technology and memory solutions.

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