Tokyo, Japan

Hiroyuki Uchiyama

This inventor holds 112 USPTO granted patents and 5 published patent applications and 2 EPO patents, primarily in Image Processing (CPC class G06T2207-30196). Top assignees: Hitachi, Ltd., Canon Kabushiki Kaisha, Elpida Memory, Inc.. Active years: 1993-2025.

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

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

USPTO Granted Patents = 112 

% Patents Active = 70.5

 

Average Co-Inventor Count = 2.9

ph-index = 17

Forward Citations = 1,060(Granted Patents)

Forward Citations (Not Self Cited) = 1,037(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Fuchuu, JP (1993 - 1999)
  • Kodaira, JP (1993 - 2000)
  • Higashimurayama, JP (1996 - 2004)
  • Saitama-ken, JP (2007)
  • Asaka, JP (2003 - 2009)
  • Saitama, JP (1998 - 2010)
  • Kokubunji, JP (2014)
  • Tachikawa, JP (2001 - 2016)
  • Musashimurayama, JP (2004 - 2016)
  • Yasugi, EP (2017)
  • Tokyo, JP (2007 - 2021)
  • Macquarie Park, AU (2020 - 2021)
  • Kanagawa-ken, JP (2021)
  • Kawasaki, JP (2017 - 2022)

Company Filing History:

goldMedal37 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal14 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal13 out of 1,458 
 
Elpida Memory, Inc.
 patents
4. 11 out of 3,781 
 
Renesas Technology Corp.
 patents
5. 9 out of 16,949 
 
Fujifilm Corporation
 patents
6. 7 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
7. 5 out of 7,654 
 
Renesas Electronics Corporation
 patents
8. 4 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
9. 3 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
10. 3 out of 29,888 
 
Texas Instruments Corporation
 patents
11. 2 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
12. 2 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
13. 2 out of 377 
 
Ps4 Luxco S.a.r.l.
 patents
14. 1 out of 1,279 
 
Fuji Photo Optical Co., Ltd.
 patents
15. 1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
16. 1 out of 26 
 
Hitachi Hokkai Semiconductor Ltd.
 patents
17. 1 out of 9 
 
Hitachi Instruments Engineering Co., Ltd.
 patents
18. 1 out of 203 
 
Hitachi Media Electronics Co., Ltd.
 patents
19. 1 out of 64 
 
Hitachi Microcomputer System, Ltd.
 patents
20. 1 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
21. 1 out of 14 
 
Texas Instruments Japan Limited
 patents
22. 9 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2025

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Areas of Expertise:
Image Processing
Object Detection
Neural Networks
3D Position Estimation
Semiconductor Devices
Thin-Film Transistors
Semiconductor Integrated Circuits
Position Detection
People Flow Analysis
Exposure Start Signal
Nucleic Acid Analyzing Device
Oxide Semiconductors
112 patents (USPTO):Explore Patents

Title: Hiroyuki Uchiyama: Tokyo's Innovative Inventor

Introduction:

Hiroyuki Uchiyama, a highly talented inventor based in Tokyo, Japan, has made significant contributions to the field of encoder signal processing and printing technology. With an impressive portfolio of 97 patents, Uchiyama has established himself as a key figure in these fields. This article delves into his latest patents, career highlights, notable collaborations, and his continuous commitment to innovation.

Latest Patents:

Uchiyama's recent patents showcase his expertise in developing encoder signal processing devices and printers. In his patent titled "Encoder Signal Processing Device, Printer, Printer-Equipped Imaging Apparatus, and Encoder Signal Processing Method," he introduces an advanced method to effectively detect pulse signals and remove any noise interference. This innovation ensures accurate signal detection even in challenging conditions, improving the overall performance of encoder-based devices.

Another notable patent, "Printer, Printer-Equipped Imaging Apparatus, and Printing Control Method," focuses on utilizing the output from a rotary encoder to control the light exposure timing of a line-type light exposure head in printers. Uchiyama's invention enables precise synchronization and density correction, resulting in enhanced print quality and improved efficiency.

Career Highlights:

Throughout his career, Uchiyama has worked with renowned companies in the technology industry. He contributed his expertise to the development of cutting-edge technologies during his tenure at Hitachi Co., Ltd, a multinational conglomerate recognized for its innovation across various sectors. Uchiyama's precise and creative problem-solving skills were also valued at Elpida Memory, Inc., a leading semiconductor company based in Japan.

Collaborations:

Uchiyama has had the opportunity to collaborate with top professionals in the field. Teruhisa Ichise and Hiraku Chakihara, notable co-workers, have worked alongside Uchiyama on various projects. Collaborative efforts enable the exchange of knowledge, expertise, and insights, fostering a culture of innovative thinking.

Conclusion:

Hiroyuki Uchiyama's extensive patent portfolio and advancements in encoder signal processing and printing control technologies demonstrate his profound impact on the field. Through his expertise and collaboration with esteemed colleagues, Uchiyama has consistently pushed the boundaries of innovation. His contributions continue to shape the industry and inspire future inventors, making him a highly respected figure within the world of inventions and patents.

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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