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For the Inventor, By the Inventor

Osaka, Japan

Hirohiko Nishiki

This inventor holds 54 USPTO granted patents and 17 published patent applications and 3 EPO patents, primarily in Display Technology (CPC class H01L). Top assignees: Sharp Kabushiki Kaisha Corporation, Sharp Laboratories of America, Inc, Merck Patent Gmbh. Active years: 1998-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohiko Nishiki. Retrieved from https://idiyas.com/inventor/hirohiko-nishiki

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 = 81.5

 

Average Co-Inventor Count = 3.3

ph-index = 15

Forward Citations = 1,143(Granted Patents)

Forward Citations (Not Self Cited) = 1,141(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Funabashi, JP (2001 - 2002)
  • Nara, JP (2002 - 2005)
  • Tenri, JP (1998 - 2006)
  • Kashiba, JP (2005 - 2011)
  • Osaka, JP (2012 - 2017)
  • Sakai, JP (2017 - 2022)

Company Filing History:

goldMedal47 out of 25,949 
 
Sharp Kabushiki Kaisha Corporation
 patents
silverMedal5 out of 2,034 
 
Sharp Laboratories of America, Inc
 patents
bronzeMedal1 out of 3,021 
 
Merck Patent Gmbh
 patents
4. 1 out of 22 
 
Sharp Kabushiki Kaishi
 patents

Years Active: 1998-2026

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Areas of Expertise:
Active Matrix Substrate
Thin Film Transistor
Display Device
Semiconductor Device
Liquid Crystal Display
Oxide Semiconductor
Electroluminescence Element
Manufacturing Method
Transistor Array
Flexible Substrate
Black Matrix Composition
54 patents (USPTO):Explore Patents
1. 12532612 - Display device with overlapping contact holes exposing edge of an insulator and method for manufacturing same (2026-01-20),
2. 11342362 - Display device (2022-05-24),
3. 11107845 - TFT substrate, TFT substrate production method, and display device (2021-08-31),
4. 11043600 - Semiconductor device provided with oxide semiconductor TFT (2021-06-22),
5. 11028270 - Black matrix composition, black matrix, and black matrix production method (2021-06-08),
6. 11024656 - Active matrix substrate, optical shutter substrate, display device, and method for manufacturing active matrix substrate (2021-06-01),
7. 10991729 - Active matrix substrate, optical shutter substrate, display device, and method for manufacturing active matrix substrate (2021-04-27),
8. 10879064 - Method for manufacturing semiconductor device and film forming apparatus (2020-12-29),
9. 10754146 - Display device and manufacturing method therefor (2020-08-25),
10. 10690975 - Active matrix substrate, manufacturing method therefor and display device (2020-06-23),
11. 10685598 - Display panel, display apparatus, and method for manufacturing display panel (2020-06-16),
12. 10670933 - Active matrix substrate, method for producing same, and display device (2020-06-02),
13. 10529743 - Active matrix substrate, display device, and manufacturing method (2020-01-07),
14. 10209592 - Active matrix substrate, display device and display device manufacturing method (2019-02-19),
15. 9853164 - Semiconductor device and display device (2017-12-26),

Title: The Innovative Contributions of Hirohiko Nishiki in Display Technology

Introduction: Hirohiko Nishiki, an accomplished inventor based in Osaka, Japan, holds an impressive portfolio of 53 patents. His pioneering work focuses on the advancement of display technologies, particularly involving Thin Film Transistor (TFT) substrates and related devices. Nishiki's contributions significantly impact the way display devices are manufactured and utilized in modern electronics.

Latest Patents: Among his latest innovations, Nishiki developed a display device that features a complex active matrix substrate. This substrate comprises various layers, including a base insulating film, different metal layers, a metal oxide layer, and an oxide semiconductor layer. Notably, the first transistor within this structure is constructed with overlapping electrodes, optimizing the performance and functionality of the display device. Another noteworthy patent includes a TFT substrate production method that incorporates multiple semiconductor films and electrically conductive members, enhancing the efficiency of contact connections in advanced display systems.

Career Highlights: Nishiki's career includes significant tenures at reputable companies such as Sharp Kabushiki Kaisha Corporation and Sharp Laboratories of America, Inc. His work within these organizations has positioned him as a leading figure in the field of display technology, allowing for the successful implementation of his patented inventions into practical applications.

Collaborations: Throughout his career, Hirohiko Nishiki has collaborated with distinguished associates such as Tohru Okabe and Takeshi Hara. Their combined expertise has driven innovation and development in the realm of electronic displays, underscoring the importance of teamwork in achieving technological advancements.

Conclusion: Hirohiko Nishiki's extensive contributions and patents in display technology exemplify the role of inventive minds in shaping the future of electronics. His work not only enhances visual experiences but also sets a benchmark for future innovations in the industry. As technology continues to evolve, Nishiki's inventions remain vital resources for researchers and companies alike, fostering continued progress in display technologies.

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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