Em4, Inc.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 83.3

Forward Citations = 44

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5 inventors (with patents filed for the assignee):

Mikhail Kaluzhny (3 out of 5 patents)

Alex Rosiewicz (3 out of 3 patents)

Ninghui Zhu (1 out of 9 patents)

4. Michio Matsuki (1 out of 1 patent)

5. Suzanne Wakelin (1 out of 3 patents)

6 patents: Sort by Forward Citations

1. 8022352 - Flexible substrate with etched lens array (2011-09-20),

2. 7515807 - Hermetic fiber feedthrough (2009-04-07),

3. 7326915 - Wavelength stabilization for broadband light sources (2008-02-05),

4. 7309175 - Reducing heating from non-coupled light in power transmitting optical fibers (2007-12-18),

5. 7297926 - Compound eye image sensor design (2007-11-20),

6. 7160368 - System and method for gettering gas-phase contaminants within a sealed enclosure (2007-01-09),

Company Overview

Em4, Inc. is a leading provider of innovative software solutions for businesses. Our cutting-edge products help companies streamline operations, improve efficiency, and drive growth. With a focus on delivering high-quality, user-friendly software, we are committed to helping our clients succeed in today's competitive business landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#70 in Bedford, MA

#2,548 in Massachusetts

#45,030 in US

Bedford, MA, United States of America

Em4, Inc.

Forward Citations = 44

5 inventors:

Mikhail Kaluzhny (3 out of 5 patents)

Alex Rosiewicz (3 out of 3 patents)

Ninghui Zhu (1 out of 9 patents)

4. Michio Matsuki (1 out of 1 patent)

5. Suzanne Wakelin (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Em4, Inc.. Retrieved from https://idiyas.com/company/em4

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]