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For the Inventor, By the Inventor

Hachioji, Japan

Fumio Nagai

This inventor holds 17 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Optical Detection Systems. Top assignees: Konica Minolta Opto, Inc., Konica Minolta, Inc., Corning Incorporated. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Nagai. Retrieved from https://idiyas.com/inventor/fumio-nagai

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 41.2

 

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Kunitachi, JP (2014)
  • Tokyo, JP (2019 - 2020)
  • Hachioji, JP (2008 - 2021)

Company Filing History:

goldMedal8 out of 680 
 
Konica Minolta Opto, Inc.
 patents
silverMedal7 out of 4,401 
 
Konica Minolta, Inc.
 patents
bronzeMedal2 out of 7,501 
 
Corning Incorporated
 patents
4. 2 out of 846 
 
Otsuka Pharmaceutical Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 2008-2025

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Areas of Expertise:
Detection Device
Surface Plasmon Resonance
Optical Coherence Tomography
Fluorescence Measurement
Optical Sample Detection
Optical Connector
Light Source Unit
Optical Communication Module
Alignment Optimization
Optical Pickup Apparatus
Optical Coupling Lens
Semiconductor Light Source
17 patents (USPTO):Explore Patents
1. 12306106 - Detection device (2025-05-20),
2. 12196674 - Detection device and detection method (2025-01-14),
3. 11169089 - Surface plasmon resonance measurement method for measuring amount of substance in a specimen including whole blood (2021-11-09),
4. 11047798 - Measurement method, measurement apparatus, and measurement system (2021-06-29),
5. 10809198 - Detection method and detection device (2020-10-20),
6. 10648914 - Optical sample detection system (2020-05-12),
7. 10495575 - Surface plasmon enhanced fluorescence measurement device and surface plasmon enhanced fluorescence measurement method (2019-12-03),
8. 10267735 - Surface plasmon-field enhanced fluorescence detection device (2019-04-23),
9. 8830483 - Optical coherence tomography with refractive indexing of object (2014-09-09),
10. 8660389 - Optical connector and optical tomographic imaging apparatus (2014-02-25),
11. 8194248 - Alignment optimization for optical packages (2012-06-05),
12. 8100561 - Light source unit (2012-01-24),
13. 7881174 - Optical pickup apparatus (2011-02-01),
14. 7876660 - Optical pickup apparatus (2011-01-25),
15. 7668421 - Optical coupling lens and light source (2010-02-23),

Title: Fumio Nagai - Innovative Inventor from Hachioji, Japan

Introduction: Fumio Nagai is a renowned inventor hailing from Hachioji, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Fumio Nagai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Fumio Nagai has worked with leading research institutions and tech companies, playing a pivotal role in the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Fumio Nagai has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and knowledge sharing that has led to numerous successful projects and inventions.

Conclusion: Fumio Nagai's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible in the world of technology.

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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