Kaj Ullén

This inventor holds 7 USPTO granted patents and 3 published patent applications and 8 EPO patents. Top assignees: Sony Corporation, Sony Mobile Communications Ab, Sony Ericsson Mobile Communications Ab. Active years: 2010-2016.

USPTO Granted Patents = 7 (Patent Applications = 3)

EPO Patents = 8 (Patent Applications = 10)

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 7(Granted Patents)

Location History:

Bjarred, SE (2012 - 2015)
Bjärred, SE (2010 - 2016)

Company Filing History:

Sony Mobile Communications Ab

patents

2 out of 1,101

Sony Ericsson Mobile Communications Ab

patents

4. 1 out of 732

Sony Mobile Communications Inc.

patents

where one patent can have more than one assignee

Years Active: 2010-2016

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9407256 - Reducing a disturbance on a signal path of a semiconductor switch (2016-08-02),

2. 9077342 - Circuit assembly for processing an electrical signal of a microphone (2015-07-07),

3. 8818542 - Method and device for reducing interference in an audio signal during a call (2014-08-26),

4. 8666091 - Method for reducing a disturbance in an input signal caused by an output signal in a multi-port connector, multi-port connector, and mobile device (2014-03-04),

5. 8421651 - Mobile phone with improved keyboard scanning and component reduction and method (2013-04-16),

6. 8326255 - Biasing arrangement, electronic apparatus, biasing method, and computer program (2012-12-04),

7. 7800443 - Circuit arrangement for providing an analog signal, and electronic apparatus (2010-09-21),

Title: Kaj Ullén: Innovator in Semiconductor Technology

Introduction

Kaj Ullén is a notable inventor based in Bjärred, Sweden. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work focuses on improving signal processing and reducing disturbances in electronic circuits.

Latest Patents

Kaj Ullén's latest patents include innovative methods for enhancing the performance of semiconductor switches. One of his patents addresses reducing disturbances on a signal path of a semiconductor switch. This method involves coupling the power supply terminal of an integrated circuit via an impedance to a power supply, effectively minimizing the impact of capacitance on the signal path. Another notable patent is a circuit assembly designed for processing electrical signals from a microphone. This assembly includes an impedance circuit and a signal processing unit, which are configured to optimize the inherent impedance of the microphone.

Career Highlights

Throughout his career, Kaj Ullén has worked with prominent companies in the technology sector. He has been associated with Sony Corporation and Sony Mobile Communications AB, where he contributed to various innovative projects. His experience in these organizations has allowed him to refine his skills and develop groundbreaking technologies.

Collaborations

Kaj Ullén has collaborated with talented individuals in the field, including Peter Körner and Magnus Birch. These partnerships have fostered a creative environment that has led to the development of advanced technologies and solutions.

Conclusion

Kaj Ullén's contributions to semiconductor technology and signal processing have established him as a significant figure in the field. His innovative patents and collaborations reflect his commitment to advancing technology and improving electronic systems.