Hans Leysieffer

This inventor holds 57 USPTO granted patents, plus 15 CIPO patents and 1 EPO patent, primarily in Implantable Hearing Systems (CPC class H04R). Top assignees: Cochlear Limited, Implex Aktiengesellschaft Hearing Technology, Phonak Ag. Active years: 1981-2013.

USPTO Granted Patents = 57

% Patents Active = 73.7

CIPO Patents = 15 (Patent Applications = 7)

EPO Patents = 1

Average Co-Inventor Count = 1.7

ph-index = 30

Forward Citations = 3,972(Granted Patents)

Forward Citations (Not Self Cited) = 3,904(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Icking, DE (1981)
Taufkirchen, DE (1988 - 2012)
Meilen, CH (2010 - 2013)

Company Filing History:

Implex Aktiengesellschaft Hearing Technology

Implex Gmbh Spezialhorgerate

Siemens Aktiengesellschaft

patents

7. 1 out of 1

Implex Aktienegesellschaft Hearing Technology

patent

8. 1 out of 1

Implex Gmgh Spezialhorgerate

patent

9. 1 out of 834,307

Other

patents

Years Active: 1981-2013

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Areas of Expertise:

Hearing Instrument

Implantable Hearing System

Electrochemical Cell

Rehabilitation Device

Tinnitus Masker

Mechanical Coupling

Audiometer

Energy Storage System

Telemetric Sensor

Implantable Microphone

Hermetically Sealed Housing

Electromechanical Stimulation

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8437489 - Hearing instrument (2013-05-07),

2. 8105229 - At least partially implantable hearing system (2012-01-31),

3. 8073174 - Fixation element for an implantable microphone (2011-12-06),

4. 7933419 - In-situ-fitted hearing device (2011-04-26),

5. 7844065 - Hearing instrument (2010-11-30),

6. 7713651 - Electrochemical cell (2010-05-11),

7. 7376563 - System for rehabilitation of a hearing disorder (2008-05-20),

8. 7232625 - Secondary electrochemical cell (2007-06-19),

9. 7226406 - At least partially implantable hearing system (2007-06-05),

10. 7058192 - Fixation element for an implantable microphone (2006-06-06),

11. 6807445 - Totally implantable hearing system (2004-10-19),

12. 6788790 - Implantable hearing system with audiometer (2004-09-07),

13. 6736770 - Implantable medical device comprising an hermetically sealed housing (2004-05-18),

14. 6697674 - At least partially implantable system for rehabilitation of a hearing disorder (2004-02-24),

15. 6663575 - Device for electromechanical stimulation and testing of hearing (2003-12-16),

Title: Hans Leysieffer: Innovator from Taufkirchen

Introduction: Hans Leysieffer is a renowned inventor hailing from Taufkirchen, Germany, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hans Leysieffer holds several patents in the areas of renewable energy technologies, artificial intelligence, and sustainable transportation solutions, showcasing his commitment to creating a more sustainable future.

Career Highlights: With over two decades of experience in the tech industry, Hans Leysieffer has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Hans Leysieffer has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Hans Leysieffer's passion for innovation and his dedication to creating impactful technologies have solidified his reputation as a visionary inventor in Taufkirchen and beyond.