Yuji Hayashi

This inventor holds 19 USPTO granted patents, primarily in Liquid Crystal Displays. Top assignees: Sony Corporation, Nissan Motor Company Limited. Active years: 1988-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Hayashi. Retrieved from https://idiyas.com/inventor/yuji-hayashi-ag98dm6q

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

Calculating rank

USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 594(Granted Patents)

Location History:

Shinagawa, JP (1988)
Kanagawa, JP (1991 - 2001)
Kagoshima, JP (2001)

Company Filing History:

Nissan Motor Company Limited

patents

Years Active: 1988-2001

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Areas of Expertise:

Liquid Crystal Display

TFT-LCD

Image Display System

Automatic Transmission

Thin Film Transistor

Overheat Prevention

Driving Circuits

Pattern Alignment

High Resolution

Lubricating System

Planetary Gear System

Voltage Measurement

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6329673 - Liquid-crystal display apparatus, transistor, and display apparatus (2001-12-11),

2. 6327006 - TFT-LCD having shielding layers on TFT-substrate (2001-12-04),

3. 6281870 - Active matrix display device with peripherally-disposed driving circuits (2001-08-28),

4. 6236388 - Image display system for displaying images of different resolutions (2001-05-22),

5. 6146309 - System and method for preventing overheat of torque converter (2000-11-14),

6. 6043858 - Liquid crystal display device capable of improving pattern aligment (2000-03-28),

7. 5818413 - Display apparatus (1998-10-06),

8. 5748026 - Circuit for converting level of low-amplitude input (1998-05-05),

9. 5646642 - Circuit for converting level of low-amplitude input (1997-07-08),

10. 5412493 - Liquid crystal display device having LDD structure type thin film (1995-05-02),

11. 5377030 - Method for testing active matrix liquid crystal by measuring voltage due (1994-12-27),

12. 5308295 - Planetary gear system for automatic transmission (1994-05-03),

13. 5232411 - Structure for automatic transmission (1993-08-03),

14. 5230671 - Automatic transmission (1993-07-27),

15. 5230664 - Lubricating system for automatic transmission (1993-07-27),

Title: The Innovative Contributions of Yuji Hayashi in Liquid-Crystal Display Technology

Introduction

Yuji Hayashi is a notable inventor based in Kanagawa, Japan, recognized for his significant contributions to the field of liquid-crystal display (LCD) technology. With a total of 19 patents to his name, Hayashi has been at the forefront of advancing display technologies that enhance visual quality and ensure reliable performance.

Latest Patents

Among his latest innovations are two pivotal patents focused on improving liquid-crystal display apparatuses. The first patent addresses the challenges posed by device-characteristic variations in thin-film transistors, which can hinder circuit operations and image quality. This invention involves a driving circuit for LCDs that effectively manages the input-voltage conversion for analog operations, ensuring that these variations do not compromise functionality. The second patent introduces a TFT-LCD design that incorporates light-shielding layers, preventing photoelectric current leakage and enhancing the device's performance by minimizing interference from incident light rays.

Career Highlights

Yuji Hayashi has had an impressive career, during which he has worked with renowned companies such as Sony Corporation and Nissan Motor Company Limited. His work at these institutions has allowed him to push the boundaries of display technology and solidify his reputation as a leading inventor in the field.

Collaborations

Throughout his career, Hayashi has collaborated with distinguished colleagues, including Masayuki Iida and Toshikazu Maekawa. These partnerships have fostered a rich exchange of ideas and enabled innovative breakthroughs in LCD technology.

Conclusion

Yuji Hayashi's contributions to the liquid-crystal display sector are invaluable, as evidenced by his numerous patents and collaborative efforts. His relentless pursuit of innovation continues to shape the future of display technology, establishing him as a key figure in the realm of electronics and visual displays.

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]