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For the Inventor, By the Inventor

Tokushima, Japan

Masatsugu Ichikawa

This inventor holds 39 USPTO granted patents and 7 EPO patents, primarily in Light Emitting Devices. Top assignees: Nichia Corporation, Tohoku University. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatsugu Ichikawa. Retrieved from https://idiyas.com/inventor/masatsugu-ichikawa

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

USPTO Granted Patents = 39

% Patents Active = 94.9

 

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 73(Granted Patents)


Location History:

  • Anan, JP (2011 - 2020)
  • Tokushima, JP (2011 - 2024)

Company Filing History:

goldMedal39 out of 3,251 
 
Nichia Corporation
 patents
silverMedal1 out of 1,051 
 
Tohoku University
 patents
where one patent can have more than one assignee

Years Active: 2011-2026

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Areas of Expertise:
Wavelength Conversion
Light Emission
Composite Substrate
Optical Component
Semiconductor Device
Heat Dissipation
Light Distribution
Phosphor Member
Nitride Semiconductor
Manufacturing Method
39 patents (USPTO):Explore Patents
1. 12571519 - Wavelength conversion module, light emission device, and method for manufacturing wavelength conversion module (2026-03-10),
2. 12261090 - Composite substrate and method of producing the composite substrate, and semiconductor device comprising the composite substrate (2025-03-25),
3. 12145349 - Light emitting device and method of manufacturing light emitting device (2024-11-19),
4. 12002902 - Light emitting device, and method for manufacturing thereof (2024-06-04),
5. 11929294 - Composite substrate and method of producing the composite substrate, and semiconductor device comprising the composite substrate (2024-03-12),
6. 11837679 - Display device (2023-12-05),
7. 11799065 - Method of producing heat dissipation substrate and method of producing composite substrate (2023-10-24),
8. 11522104 - Light emitting device, and method for manufacturing thereof (2022-12-06),
9. 10974492 - Light emitting device and method of manufacturing light emitting device (2021-04-13),
10. 10777715 - Semiconductor light emitting device (2020-09-15),
11. 10658811 - Optical component, light emitting device using the optical component, and method of manufacturing the optical component (2020-05-19),
12. 10658545 - Light emitting device in which light emitting element and light transmissive member are directly bonded (2020-05-19),
13. 10636941 - Light emitting device, and method for manufacturing thereof (2020-04-28),
14. 10603889 - Light emitting device and method of manufacturing light emitting device (2020-03-31),
15. 10593843 - Method of manufacturing optical component (2020-03-17),

Title: Masatsugu Ichikawa: Pioneering Inventor from Tokushima

Introduction: Masatsugu Ichikawa is a renowned inventor hailing from Tokushima, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masatsugu Ichikawa holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Masatsugu Ichikawa has been instrumental in developing cutting-edge technologies that have revolutionized industries and improved the lives of many.

Collaborations: Masatsugu Ichikawa has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge sharing.

Conclusion: Masatsugu Ichikawa's relentless pursuit of innovation and his passion for creating impactful solutions solidify his position as a pioneering inventor in the global technological landscape.

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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