logo

For the Inventor, By the Inventor

Tokyo, Japan

Kazuhiro Fujita

This inventor holds 110 USPTO granted patents and 22 published patent applications and 36 EPO patents, primarily in Image Projection Technology (CPC class G03B21-204). Top assignees: Ricoh Company, Ltd., Adv Antest Corporation, Eccera Co., Ltd.. Active years: 1990-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Fujita. Retrieved from https://idiyas.com/inventor/kazuhiro-fujita

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

USPTO Granted Patents = 110 

% Patents Active = 62.7

 

Average Co-Inventor Count = 3.5

ph-index = 14

Forward Citations = 620(Granted Patents)

Forward Citations (Not Self Cited) = 494(Dec 10, 2025)


Inventors with similar research interests:

🔬 See more inventors

Location History:

  • Yokohama, JP (1990 - 1997)
  • Kanagawa, JP (2010)
  • Ohta-ku, JP (2011)
  • Machida, JP (1999 - 2016)
  • Tokyo, JP (2001 - 2024)

Company Filing History:

goldMedal106 out of 28,951 
 
Ricoh Company, Ltd.
 patents
silverMedal3 out of 2,282 
 
Adv Antest Corporation
 patents
bronzeMedal1 out of 1 
 
Eccera Co., Ltd.
 patent
4. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Image Projection Apparatus
Light-Source Device
Illumination Device
Display Device
Projection Optical System
Laser Irradiation Apparatus
Light Guide Optical Device
Container Manufacturing
Wavelength Conversion Plate
Marking Device
Brightness Control Method
Color-Changing Section
110 patents (USPTO):Explore Patents
1. 12743011 - Illumination device and projector (2026-09-22),
2. 12631950 - Light source device and projection apparatus (2026-05-19),
3. 12611727 - Pattern forming apparatus for base material, pattern forming method, base material, and container (2026-04-28),
4. 12554187 - Illumination device and image projection apparatus (2026-02-17),
5. 12271104 - Light-source device, image projection apparatus, and display device (2025-04-08),
6. 12152873 - Laser irradiation apparatus, laser irradiation method, container, and containment body (2024-11-26),
7. 12114106 - Light-source device and image forming apparatus including same (2024-10-08),
8. 12103322 - Method and system for manufacturing container product (2024-10-01),
9. 12097997 - Container and content containing body, and method for producing container and container producing apparatus (2024-09-24),
10. 12066752 - Light-source device, image projection apparatus, and light-source optical system (2024-08-20),
11. 11953816 - Wavelength conversion plate, light source device, and image projection apparatus (2024-04-09),
12. 11874592 - Light source device and image projection apparatus (2024-01-16),
13. 11812201 - Light guide optical device, light source device, and image projection apparatus (2023-11-07),
14. 11768370 - Projector, display system, and mobile object (2023-09-26),
15. 11762272 - Light-source device and image projection apparatus (2023-09-19),

Title: Kazuhiro Fujita: Trailblazer in Innovation

Introduction:

Kazuhiro Fujita, a prolific inventor based in Tokyo, Japan, has established himself as a pioneering figure in the realm of technology. With a remarkable portfolio of 104 patents, his relentless pursuit of excellence continues to inspire budding inventors worldwide.

Latest Patents:

Among his latest inventions is a cutting-edge light-source device and image forming apparatus. This device incorporates an excitation light source, optical member, and wavelength converter to produce second color light with different wavelengths, showcasing Fujita's innovation in light technology. Another notable patent is a method and system for manufacturing container products, revolutionizing the process of forming information on containers.

Career Highlights:

Fujita has made significant contributions while working with esteemed companies such as Ricoh Company, Ltd. and Adv Antest Corporation. His expertise and creativity have been instrumental in shaping the technological landscape within these organizations.

Collaborations:

Throughout his career, Fujita has collaborated closely with accomplished peers like Tatsuya Takahashi and Atsushi Takaura. These collaborations have led to groundbreaking innovations and further solidified his reputation as a leading figure in the industry.

Conclusion:

Kazuhiro Fujita's unwavering passion for innovation, coupled with his dedication to pushing boundaries, has cemented his position as a trailblazer in the world of technology. His work not only showcases the power of creativity and perseverance but also serves as a beacon of inspiration for future generations of inventors.

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]
Loading…