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For the Inventor, By the Inventor

Hara-mura, Japan

Shunji Kamijima

This inventor holds 50 USPTO granted patents and 2 published patent applications, primarily in Light Source Devices (CPC class G02B). Top assignee: Seiko Epson Corporation. Active years: 2002-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunji Kamijima. Retrieved from https://idiyas.com/inventor/shunji-kamijima

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

USPTO Granted Patents = 50 

% Patents Active = 34.0

Average Co-Inventor Count = 1.5

ph-index = 9

Forward Citations = 358(Granted Patents)

Forward Citations (Not Self Cited) = 348(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nagano-ken, JP (2005 - 2006)
  • Suwa, JP (2009)
  • Hana-mura, JP (2007 - 2010)
  • Hara-mura, JP (2002 - 2019)
  • Suwa-gun, JP (2019)

Company Filing History:

goldMedal50 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2002-2019

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Areas of Expertise:
Wavelength Conversion
Illumination Device
Projector
Laser Light Source
Image Display
Optical Apparatus
Spatial Light Modulator
Multi-Wavelength Light Source
Electro-Optical Device
Lighting Device
Monitoring Device
50 patents (USPTO):Explore Patents
1. 10451959 - Light source device and projector (2019-10-22),
2. 10451958 - Wavelength conversion device, illumination device and projector (2019-10-22),
3. 9323045 - Illumination device and projector (2016-04-26),
4. 8678596 - Illumination device and projector with fluorescent plate (2014-03-25),
5. 8440953 - Laser beam source device, projector, and monitoring device having dual light emission elements with non-uniform light emission portions (2013-05-14),
6. 8328393 - Light source device having wavelength conversion and separation means, and projector (2012-12-11),
7. 8313198 - Projector (2012-11-20),
8. 8198573 - Light source device with light scattering unit and image display apparatus having a special light modulating device (2012-06-12),
9. 8157387 - Projector that monitors mirror function to prevent point illumination (2012-04-17),
10. 8070297 - Projector that projects an image signal on a display surface (2011-12-06),
11. 8052308 - Light source having wavelength converter and wavelength separating member for reflecting converted light (2011-11-08),
12. 7988307 - Image display device (2011-08-02),
13. 7984994 - Image display apparatus (2011-07-26),
14. 7963677 - Light source device, having wavelength conversion and separation means, and projector (2011-06-21),
15. 7924356 - Electrooptical device, electronic apparatus, and projector (2011-04-12),

Title: The Innovative Journey of Shunji Kamijima

Introduction:

Shunji Kamijima, a visionary inventor hailing from Hara-mura, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and inventions.

Latest Patents:

Shunji Kamijima holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to problem-solving.

Career Highlights:

With a career spanning over two decades, Shunji Kamijima has worked for leading tech companies in Japan, spearheading research and development projects that have led to cutting-edge solutions in various industries.

Collaborations:

Throughout his career, Shunji Kamijima has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion:

In conclusion, Shunji Kamijima's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of technology, inspiring the next generation of inventors and innovators.

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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