Forward Citations = 164

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2 inventors (with patents filed for the assignee):

Ralph Deutsch (9 out of 119 patents)

Leslie J Deutsch (3 out of 30 patents)

9 patents: Sort by Forward Citations

1. 4827547 - Multi-channel tone generator for an electronic musical instrument (1989-05-09),

2. 4135427 - Electronic musical instrument ring modulator employing multiplication of (1979-01-23),

3. 4122742 - Transient voice generator (1978-10-31),

4. 4116103 - Pulse width modulation in a digital tone synthesizer (1978-09-26),

5. 4112803 - Ensemble and anharmonic generation in a polyphonic tone synthesizer (1978-09-12),

6. 4085644 - Polyphonic tone synthesizer (1978-04-25),

7. 4083282 - Alterable voice for electronic musical instrument (1978-04-11),

8. 4079650 - ADSR envelope generator (1978-03-21),

9. 4067254 - Frequency number controlled clocks (1978-01-10),

Company Overview

Deutsch Research Laboratories, Ltd. is a leading biotechnology company specializing in the research and development of innovative pharmaceutical products. With a focus on cutting-edge technology and scientific breakthroughs, we are dedicated to improving the health and quality of life for patients worldwide. Our team of experienced researchers and scientists work tirelessly to create new and effective treatments for a variety of medical conditions. Visit our website to learn more about our groundbreaking research and products.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#9 in Sherman Oaks, CA

#7,735 in California

#32,588 in US

Sherman Oaks, CA, United States of America

Deutsch Research Laboratories, Ltd.

Forward Citations = 164

2 inventors:

Ralph Deutsch (9 out of 119 patents)

Leslie J Deutsch (3 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Deutsch Research Laboratories, Ltd.. Retrieved from https://idiyas.com/company/deutsch-research-laboratories

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]