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For the Inventor, By the Inventor

Sakura, Japan

Masahiro Kashiwagi

This inventor holds 23 USPTO granted patents and 2 published patent applications and 5 EPO patents, primarily in Fiber Laser Technology. Top assignees: Fujikura Limited, Hokkaido University, Panasonic Corporation. Active years: 2010-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Kashiwagi. Retrieved from https://idiyas.com/inventor/masahiro-kashiwagi

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

USPTO Granted Patents = 23 

% Patents Active = 78.3

 

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Sakura, JP (2010 - 2021)
  • Chiba, JP (2011 - 2022)

Company Filing History:

goldMedal22 out of 1,874 
 
Fujikura Limited
 patents
silverMedal2 out of 442 
 
Hokkaido University
 patents
bronzeMedal1 out of 16,454 
 
Panasonic Corporation
 patents
where one patent can have more than one assignee

Years Active: 2010-2025

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Areas of Expertise:
Optical Amplification
Fiber Laser System
Manufacturing Method
Optical Power Monitor
Beam Quality Adjustment
Photonic Bandgap Fiber
Amplification Optical Fiber
Optical Fiber Device
Laser Device
Reflection Resistance Evaluation
Fiber Optic Sensor
Combiner
23 patents (USPTO):Explore Patents
1. 12500387 - Optical amplification apparatus (2025-12-16),
2. 11316315 - Filter element, laser device, fiber laser device, filter method, and method for manufacturing laser device (2022-04-26),
3. 10935729 - Method for manufacturing optical device, method for manufacturing laser device, method for adjusting beam quality of laser device (2021-03-02),
4. 10797463 - Fiber laser system and method for controlling same (2020-10-06),
5. 10760992 - Optical power monitor device and optical power monitor method (2020-09-01),
6. 10530118 - Fiber laser system, reflection resistance evaluation method and reflection resistance improvement method for same, and fiber laser (2020-01-07),
7. 10530113 - Fiber laser apparatus and method of manufacturing amplifying coil (2020-01-07),
8. 10522967 - Fiber laser system, fiber laser system production method, and processing method (2019-12-31),
9. 10250009 - Fiber laser system and method of outputting laser beam (2019-04-02),
10. 10014648 - Bridge fiber, combiner, and fiber laser device (2018-07-03),
11. 9966727 - Fiber laser system (2018-05-08),
12. 9935417 - Optical-power monitoring device, fiber laser, and optical-power monitoring method having different regions of a second fiber covered by a low-refractive-index resin layer and a high-refractive-index resin layer (2018-04-03),
13. 9543733 - Photonic bandgap fiber and fiber laser device using same (2017-01-10),
14. 9529148 - Optical fiber and fiber laser device using same (2016-12-27),
15. 9431787 - Amplification optical fiber and fiber laser device using the same (2016-08-30),

Title: The Innovative Journey of Masahiro Kashiwagi

Introduction: Masahiro Kashiwagi, a pioneering inventor hailing from Sakura, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Masahiro Kashiwagi's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles and cutting-edge solutions for renewable energy storage systems.

Career Highlights: With a career spanning over two decades, Masahiro Kashiwagi has worked with top research institutions and leading tech companies to develop state-of-the-art technologies in the fields of robotics, nanotechnology, and biomedicine.

Collaborations: Throughout his career, Masahiro Kashiwagi has collaborated with renowned scientists, engineers, and inventors from around the globe, fostering a culture of innovation and knowledge exchange.

Conclusion: Masahiro Kashiwagi's relentless pursuit of innovation and his passion for pushing the boundaries of technology continue to inspire the next generation of inventors and shape the future of technological advancements 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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