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For the Inventor, By the Inventor

Aichi, Japan

Tomotaka Nishikawa

This inventor holds 13 USPTO granted patents and 3 published patent applications and 4 EPO patents. Top assignees: Nippon Shokubai Co., Ltd., Sony Corporation, Sony Semiconductor Solutions Corporation. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomotaka Nishikawa. Retrieved from https://idiyas.com/inventor/tomotaka-nishikawa

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

USPTO Granted Patents = 13 

% Patents Active = 46.2

 

Average Co-Inventor Count = 4.4

ph-index = 6

Forward Citations = 77(Granted Patents)


Location History:

  • Suita, JP (2005)
  • Osaka, JP (2008 - 2009)
  • Takatsuki, JP (2010)
  • Aichi, JP (2010 - 2019)

Company Filing History:

goldMedal6 out of 1,335 
 
Nippon Shokubai Co., Ltd.
 patents
silverMedal6 out of 58,145 
 
Sony Corporation
 patents
bronzeMedal1 out of 3,282 
 
Sony Semiconductor Solutions Corporation
 patents

Years Active: 2005-2025

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13 patents (USPTO):Explore Patents
1. 12302687 - Light-emitting element and display device with insulating layer that includes eaves (2025-05-13),
2. 10341475 - Display unit, method of manufacturing the same, and electronic apparatus (2019-07-02),
3. 9712651 - Display unit, method of manufacturing the same, and electronic apparatus (2017-07-18),
4. 9548346 - Display unit, method of manufacturing the same, and electronic apparatus (2017-01-17),
5. 9219081 - Display unit, method of manufacturing the same, and electronic apparatus (2015-12-22),
6. 8144140 - Display apparatus and method of manufacturing the same (2012-03-27),
7. 7781956 - Display apparatus and electronic device (2010-08-24),
8. 7662884 - Cement admixture and production method thereof (2010-02-16),
9. 7638563 - Polycarboxylic acid concrete admixture (2009-12-29),
10. 7405264 - Polycarboxylic acid copolymer, production method and use thereof (2008-07-29),
11. 7368488 - Cement admixture and cement admixture composite (2008-05-06),
12. 6919388 - Cement admixture and cement composition (2005-07-19),
13. 6864337 - Polycarboxylic acid copolymer, production method and use thereof (2005-03-08),

Title: The Innovations of Tomotaka Nishikawa

Introduction

Tomotaka Nishikawa is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of light-emitting elements and display devices. With a total of 13 patents to his name, Nishikawa's work has had a considerable impact on modern display technology.

Latest Patents

Nishikawa's latest patents include a light-emitting element and a display device with an insulating layer that features eaves. This innovation aims to improve light emission properties by utilizing a pixel-isolating insulation film that exposes anode electrodes while incorporating an eave in its design. Another notable patent involves a display unit that integrates a display layer with a pixel electrode and a semiconductor layer, enhancing the connection to external circuits.

Career Highlights

Throughout his career, Nishikawa has worked with notable companies such as Nippon Shokubai Co., Ltd. and Sony Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in display technology.

Collaborations

Nishikawa has collaborated with talented individuals in his field, including Hiromichi Tanaka and Tomiyasu Ueta. These partnerships have fostered a creative environment that has led to groundbreaking inventions.

Conclusion

Tomotaka Nishikawa's contributions to the field of display technology are noteworthy. His innovative patents and collaborations highlight his dedication to advancing the industry. His work continues to influence the development of modern display devices.

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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