% Expired Patents = 16.7

Forward Citations = 26

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4 inventors (with patents filed for the assignee):

Robert R Alfano (3 out of 131 patents)

Norman H Schiller (3 out of 8 patents)

Norman A Lyshkow (2 out of 7 patents)

4. Dieter H Pommerrenig (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 6563073 - Method of welding metals and apparatus for use therefor (2003-05-13),

2. 5431953 - Automated device for applying evaporator beads to a conductive wire (1995-07-11),

3. 4630925 - Compact temporal spectral photometer (1986-12-23),

4. 4438416 - Picosecond delay device (1984-03-20),

5. 4435727 - Apparatus and method for use in calibrating the time axis and intensity (1984-03-06),

6. 4237471 - Method of producing a semiconductor photodiode of indium antimonide and (1980-12-02),

Company Overview

Hamamatsu Corporation is a leading manufacturer of photonic devices and systems. With a focus on innovation and quality, Hamamatsu offers a wide range of products including photodiodes, image sensors, light sources, and photomultiplier tubes. Their solutions are used in various industries such as medical, industrial, and scientific research.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#37 in Bridgewater, NJ

#1,675 in New Jersey

#44,981 in US

Bridgewater, NJ, United States of America

Hamamatsu Corporation

Forward Citations = 26

4 inventors:

Robert R Alfano (3 out of 131 patents)

Norman H Schiller (3 out of 8 patents)

Norman A Lyshkow (2 out of 7 patents)

4. Dieter H Pommerrenig (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hamamatsu Corporation. Retrieved from https://idiyas.com/company/hamamatsu

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]