Tatsuhisa Fujii

This inventor holds 9 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuhisa Fujii. Retrieved from https://idiyas.com/inventor/tatsuhisa-fujii

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 7

Forward Citations = 204(Granted Patents)

Location History:

Cyubu Mobara, JP (1993 - 1997)
Mobara, JP (1993 - 1999)

Company Filing History:

Hitachi Device Engineering Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1993-1999

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5914763 - Liquid crystal display with substantially equal resistances for sets of (1999-06-22),

2. 5841496 - Reflective liquid crystal display device (1998-11-24),

3. 5818554 - Reflective liquid crystal display apparatus which does not require a (1998-10-06),

4. 5757450 - Liquid crystal display with color filters and sizes of inclined linear (1998-05-26),

5. 5677705 - Drive method for driving a matrix-addressing display, a drive circuit (1997-10-14),

6. 5663743 - Dynamic scattering matrix liquid crystal display having voltage booster (1997-09-02),

7. 5280511 - Output circuit for a CCD with cascode depletion MOSFET loads and a (1994-01-18),

8. 5220587 - Output circuit for a CCD with a D.C. restoration circuit integrated (1993-06-15),

9. 5189407 - Multi-color display system (1993-02-23),

Title: Innovations of Tatsuhisa Fujii

Introduction

Tatsuhisa Fujii is a prominent inventor based in Mobara, Japan. He holds a total of nine patents, showcasing his significant contributions to the field of liquid crystal display technology. His work has been instrumental in advancing display technologies that are widely used today.

Latest Patents

Fujii's latest patents include a liquid crystal display with substantially equal resistances for sets of display electrodes. This innovative design features a plurality of parallel display electrodes wired over an electrode substrate, with terminals for the display electrodes led out to the end portion of the substrate. The terminals are connected to TCPs, and the leadout wirings are designed to ensure that the wiring resistances of the individual leadout wirings are substantially equal. Another notable patent is for a reflective liquid crystal display device, which includes a liquid crystal cell formed by laminating orientation layers, electrodes, substrates, and polarizers. This device is designed to maintain a specific light transmission ratio, enhancing the viewing experience.

Career Highlights

Fujii has had a distinguished career, working with notable companies such as Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in liquid crystal technology.

Collaborations

Throughout his career, Fujii has collaborated with talented individuals, including Tomohide Ohira and Katsumi Kondo. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Tatsuhisa Fujii's contributions to liquid crystal display technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced 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]