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For the Inventor, By the Inventor

Hachioji, Japan

Hiroyuki Fujiwara

This inventor holds 54 USPTO granted patents and 5 published patent applications and 10 EPO patents, primarily in Semiconductor Technology (CPC class H01L). Top assignees: Oki Data Corporation, Oki Electric Industry Co., Ltd., Gree, Inc.. Active years: 1990-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Fujiwara. Retrieved from https://idiyas.com/inventor/hiroyuki-fujiwara

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

USPTO Granted Patents = 54 

% Patents Active = 75.9

 

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 232(Granted Patents)

Forward Citations (Not Self Cited) = 204(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Gunma, JP (2013)
  • Hachioji, JP (2001 - 2014)
  • Minato-ku, JP (2022)
  • Tokyo, JP (1990 - 2024)

Company Filing History:

goldMedal44 out of 1,875 
 
Oki Data Corporation
 patents
silverMedal3 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
bronzeMedal2 out of 524 
 
Gree, Inc.
 patents
4. 2 out of 4,751 
 
Mitsubishi Heavy Industries Limited
 patents
5. 2 out of 7 
 
Orbray Co., Ltd.
 patents
6. 1 out of 70 
 
Daiichi Seiyaku Co., Ltd.
 patents

Years Active: 1990-2025

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Areas of Expertise:
Semiconductor Device
Optical Print Head
Light Emitting Diode
Composite Semiconductor
LED Print Head
Manufacturing Method
Thin Semiconductor Film
Image Forming Apparatus
Stress Absorber
Biaxial Load Test
Heat-Conducting Tube
Display Apparatus
54 patents (USPTO):Explore Patents
1. 12210191 - Optical coupling device and method for manufacturing optical coupling device (2025-01-28),
2. 12128318 - Game apparatus, game method, and game program (2024-10-29),
3. 12032208 - Optical connector and optical connector manufacturing method (2024-07-09),
4. 11413543 - Game apparatus, game method, and game program (2022-08-16),
5. 10859478 - Biaxial load test specimen, biaxial load test apparatus, and biaxial load test method (2020-12-08),
6. 9093562 - Semiconductor composite apparatus, method for manufacturing the semiconductor composite apparatus, LED head that employs the semiconductor composite apparatus, and image forming apparatus that employs the LED head (2015-07-28),
7. 9022074 - Plug for heat-conducting tube, device for attaching plug for heat-conducting tube, and method for plugging heat conducting tube (2015-05-05),
8. 8816384 - Semiconductor apparatus with thin semiconductor film (2014-08-26),
9. 8816364 - Display apparatus (2014-08-26),
10. 8664672 - Light emitting panel having a plurality of light emitting element arrays arranged in descending order of wavelength (2014-03-04),
11. 8664668 - Combined semiconductor apparatus with semiconductor thin film (2014-03-04),
12. 8497893 - Semiconductor device, optical print head and image forming apparatus (2013-07-30),
13. 8445935 - Semiconductor apparatus with thin semiconductor film (2013-05-21),
14. 8415680 - Semiconductor composite apparatus, print head, and image forming apparatus (2013-04-09),
15. 8395159 - Semiconductor apparatus with thin semiconductor film (2013-03-12),

Title: The Innovative Journey of Hiroyuki Fujiwara

Introduction:

Hiroyuki Fujiwara, a distinguished inventor hailing from Hachioji, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and patents.

Latest Patents:

Fujiwara's latest patents showcase his commitment to pushing the boundaries of technological advancement in various industries, including robotics, artificial intelligence, and renewable energy.

Career Highlights:

With a career spanning over two decades, Hiroyuki Fujiwara has established himself as a visionary inventor known for his ability to transform bold ideas into tangible solutions. His work has not only revolutionized existing technologies but has also paved the way for new possibilities in the ever-evolving tech landscape.

Collaborations:

Throughout his career, Fujiwara has collaborated with leading research institutions, universities, and tech companies to further his innovative projects. These collaborations have not only enriched his work but have also led to the development of cutting-edge technologies with real-world applications.

Conclusion:

In conclusion, Hiroyuki Fujiwara's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his position as a trailblazing inventor in the realm of technology. His work continues to inspire future generations of inventors to think boldly and push the boundaries of what is possible in the world of inventions.

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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