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For the Inventor, By the Inventor

Chino, Japan

Tetsuji Fujita

This inventor holds 40 USPTO granted patents and 14 published patent applications and 5 EPO patents, primarily in Light Emitting Devices. Top assignee: Seiko Epson Corporation. Active years: 2010-2024.

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

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

USPTO Granted Patents = 40 

% Patents Active = 92.5

 

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 82(Granted Patents)


Location History:

  • Nagano, JP (2015 - 2017)
  • Chino, JP (2010 - 2024)

Company Filing History:

goldMedal40 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2010-2024

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Areas of Expertise:
Light Emitting Element
Organic Electroluminescent Device
Biological Information Acquisition
Authentication Device
Imaging Apparatus
Display Device
Electronic Apparatus
Manufacturing Method
Thiadiazole Compound
Light Emitting Apparatus
Sensing Device
Projection Technology
40 patents (USPTO):Explore Patents
1. 11947249 - Light emitting apparatus, method for manufacturing light emitting apparatus, and projector (2024-04-02),
2. 11177316 - Method of manufacturing light emitting device, light emitting device, and projector (2021-11-16),
3. 11172853 - Biological information acquisition device and biological information acquisition method (2021-11-16),
4. 11063171 - Light emitting device, method of manufacturing light emitting device, and projector (2021-07-13),
5. 10804472 - Light-emitting element, light-emitting device, light source, authentication device, and electronic apparatus (2020-10-13),
6. 10431761 - Light-emitting element, light-emitting device, authentication device, and electronic apparatus (2019-10-01),
7. 10367148 - Light-emitting device, electronic apparatus, and inspection method (2019-07-30),
8. 10357189 - Biological information acquisition device and biological information acquisition method (2019-07-23),
9. 10050209 - Light-emitting element, light-emitting device, authentication device, and electronic apparatus (2018-08-14),
10. 9876177 - Thiadiazole-based compound, light emitting element compound, light emitting element, light emitting device, authentication device, and electronic device (2018-01-23),
11. 9799836 - Light emitting element, light emitting device, authentication device, and electronic device (2017-10-24),
12. 9741940 - Thiadiazole, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device (2017-08-22),
13. 9722184 - Thiadiazole, compound for light-emitting elements, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device (2017-08-01),
14. 9698353 - Light-emitting element, light emission apparatus, authentication apparatus, and electronic machine (2017-07-04),
15. 9412909 - Light emitting apparatus, manufacturing method of light emitting apparatus, light receiving and emitting apparatus, and electronic equipment (2016-08-09),

Title: **Tetsuji Fujita: Innovations in Light Emitting Technology**

Introduction

Tetsuji Fujita, based in Chino, Japan, is a prominent inventor with an impressive portfolio of 40 patents. His contributions primarily focus on advanced light-emitting technologies, which have significant implications in various industries, including healthcare and electronics.

Latest Patents

Fujita's latest innovations include two notable patents:

1. **Light Emitting Apparatus** - This patent pertains to a light-emitting apparatus consisting of a semiconductor monocrystal first layer and a second layer with a distinct crystal orientation. It features a columnar crystal structure that encompasses a light-emitting layer extending from the second layer.

2. **Biological Information Acquisition Device and Method** - This innovative device aims to enhance the reliability of biological information retrieval by minimizing the degradation of light-emitting elements. It operates by using a light-emitting unit to emit light for measurement, enabling the acquisition of biological information based on light reception results.

Career Highlights

Fujita's career is marked by his significant innovations while working at Seiko Epson Corporation. His dedication to advancing light technology has positioned him as a leader in his field, making substantial contributions that merge technology with practicality.

Collaborations

Throughout his career, Fujita has collaborated with skilled colleagues such as Hidetoshi Yamamoto and Yuiga Hamade. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in their respective domains.

Conclusion

Tetsuji Fujita's work exemplifies the quintessential role of inventors in pushing the boundaries of technology. His patents not only address current needs but also pave the way for future advancements in light-emitting technologies. As he continues to innovate, Fujita remains a key figure in the realm of inventions that have far-reaching impact.

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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