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For the Inventor, By the Inventor

Kanagawa, Japan

Tetsuji Ishitani

This inventor holds 130 USPTO granted patents and 43 published patent applications and 7 EPO patents, primarily in Display Technology (CPC class G02F1-1368). Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2004-2025.

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

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

Calculating rank
USPTO Granted Patents = 130 

% Patents Active = 40.8

 

Average Co-Inventor Count = 2.9

ph-index = 13

Forward Citations = 520(Granted Patents)

Forward Citations (Not Self Cited) = 438(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Kanagawa, JP (2004 - 2023)
  • Atsugi, JP (2005 - 2024)
  • Isehara, JP (2012 - 2024)

Company Filing History:

goldMedal130 out of 16,652 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents

Years Active: 2004-2025

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Areas of Expertise:
Display Device
Liquid Crystal Display
Semiconductor Device
Data Processing
Manufacturing Method
Electronic Device
Driver Circuit
Display Module
Input/Output Device
Light-Emitting Device
Display Panel
Flip-Flop Circuit
130 patents (USPTO):Explore Patents
1. 12276889 - Display device, operation method of display device, and electronic device (2025-04-14),
2. 12243459 - Flip-flop circuit, driver circuit, display panel, display device, input/output device, and data processing device (2025-03-04),
3. 12242147 - Semiconductor device and display device (2025-03-04),
4. 12230647 - Display device, manufacturing method of display device, and electronic device (2025-02-18),
5. 12153298 - Display device and electronic device (2024-11-26),
6. 12111545 - Display device, display module, and electronic device (2024-10-08),
7. 11906826 - Liquid crystal display device and manufacturing method thereof (2024-02-20),
8. 11869978 - Liquid crystal display device (2024-01-09),
9. 11824068 - Display device, manufacturing method of display device, and electronic device (2023-11-21),
10. 11785827 - Display device and driving method of display device (2023-10-10),
11. 11774816 - Display device, display module, and electronic device (2023-10-03),
12. 11698547 - Semiconductor device and display device (2023-07-11),
13. 11635648 - Display device and electronic device (2023-04-25),
14. 11562675 - Flip-flop circuit, driver circuit, display panel, display device, input/output device, and data processing device (2023-01-24),
15. 11536889 - Display device and data processing device (2022-12-27),

Title: The Innovative Mind of Tetsuji Ishitani

Introduction: Tetsuji Ishitani, a pioneering inventor hailing from Kanagawa, Japan, is renowned for his groundbreaking contributions to the field of innovation and patents.

Latest Patents: Tetsuji Ishitani's recent patents showcase his continuous dedication to pushing the boundaries of technology and creativity, solidifying his position as a leading figure in the world of inventions.

Career Highlights: Throughout his illustrious career, Tetsuji Ishitani has consistently demonstrated a remarkable ability to transform ideas into tangible inventions that have revolutionized various industries. His keen eye for detail and unwavering commitment to excellence have earned him widespread recognition and respect.

Collaborations: Tetsuji Ishitani has engaged in fruitful collaborations with top-tier companies, esteemed research institutions, and brilliant minds from around the globe. These partnerships have not only enriched his own work but have also led to the development of innovative solutions that have had a lasting impact on society.

Conclusion: In conclusion, Tetsuji Ishitani's inventive spirit, coupled with his relentless pursuit of excellence, continues to inspire generations of inventors and innovators worldwide. His remarkable achievements stand as a testament to the power of creativity and perseverance in shaping a brighter future for all.

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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