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For the Inventor, By the Inventor

Inagi, Japan

Hiroshi Yamamoto

This inventor holds 15 USPTO granted patents and 1 EPO patent, primarily in Optical Modules. Top assignees: Cig Photonics Japan Limited, Opnext Japan, Inc.. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Yamamoto. Retrieved from https://idiyas.com/inventor/hiroshi-yamamoto-h6b0hey8

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 100.0


Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:

goldMedal12 out of 20 
 
Cig Photonics Japan Limited
 patents
silverMedal3 out of 134 
 
Opnext Japan, Inc.
 patents

Years Active: 2008-2025

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Areas of Expertise:
Optical Module
Differential Transmission Lines
High-Frequency Signal
Optical Subassembly
Optical Receptacle
Optical Transmitting Device
Signal Stabilization
Phase Shift Cancellation
15 patents (USPTO):Explore Patents
1. 12413041 - Optical module with two differential transmission line pairs with different lengths designed to cancel phase shift and stabilize high-frequency signal (2025-09-09),
2. 12224552 - Optical module (2025-02-11),
3. 11740419 - Optical subassembly (2023-08-29),
4. 11736197 - Optical module (2023-08-22),
5. 11641240 - Optical module (2023-05-02),
6. 11503715 - Optical module (2022-11-15),
7. 11456393 - Optical module (2022-09-27),
8. 11340412 - Optical module (2022-05-24),
9. 11317513 - Optical module (2022-04-26),
10. 11129279 - Optical subassembly and optical module (2021-09-21),
11. 11125957 - Optical module (2021-09-21),
12. 11089683 - Optical module (2021-08-10),
13. 8118498 - Optical receptacle, optical module, and method of manufacturing an optical module (2012-02-21),
14. 8077750 - Optical transmitting module and optical transmitting device (2011-12-13),
15. 7412120 - Optical module and optical transmission apparatus (2008-08-12),

Title: Inventor Hiroshi Yamamoto

Introduction: Hiroshi Yamamoto is a renowned inventor based in Inagi, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroshi Yamamoto holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies.

Career Highlights: With over two decades of experience in the innovation industry, Hiroshi Yamamoto has worked for leading tech companies and research institutions, spearheading projects that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Hiroshi Yamamoto has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Hiroshi Yamamoto's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and innovators worldwide.

Profile summary based on public USPTO records.
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]
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