Company Filing History:

17 out of 42,485

Hitachi, Ltd.

patents

5 out of 1,207

Hitachi Displays, Ltd.

patents

1 out of 217

Hitachi Device Engineering Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1982-2010

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7696959 - Display device and driving method of the same (2010-04-13),

2. 7535439 - Display device and method for driving a display device (2009-05-19),

3. 7221086 - Display device including a shield member (2007-05-22),

4. 7190107 - Display devices provided with an arrangement of electron sources and control electrodes (2007-03-13),

5. 7180246 - Display device (2007-02-20),

6. 6437764 - Liquid crystal display device (2002-08-20),

7. 5063581 - Semiconductor imaging device having a plurality of photodiodes and (1991-11-05),

8. 4942474 - Solid-state imaging device having photo-electric conversion elements and (1990-07-17),

9. 4908684 - Solid-state imaging device (1990-03-13),

10. 4903122 - Solid-state color imaging apparatus for extended definition television (1990-02-20),

11. 4862487 - Solid-state imaging device (1989-08-29),

12. 4814848 - Solid-state imaging device (1989-03-21),

13. 4809075 - Solid-state imaging device having an amplifying means in the matrix (1989-02-28),

14. 4689687 - Charge transfer type solid-state imaging device (1987-08-25),

15. 4636985 - Semiconductor memory having charge transfer device voltage amplifier (1987-01-13),

Title: **Toshifumi Ozaki: A Pioneer in Display Technology**

Introduction

Toshifumi Ozaki, based in Koganei, Japan, is a prolific inventor known for his groundbreaking contributions to display technology. With a remarkable portfolio comprising 22 patents, he has significantly influenced the field of electronic display devices.

Latest Patents

Ozaki's recent patents showcase his innovative approach to display technology. One of his latest inventions is a **display device and driving method of the same**, which involves the use of a feedback switch to detect scan electrode potential and enhance the accuracy of the display without overshooting components. Another noteworthy patent is a **display device and method for driving a display device**. This invention incorporates a unique driver constructed of scanning selection switches, feedback switches, and a feedback amplifier, designed to optimize the display driving process further.

Career Highlights

Throughout his career, Toshifumi Ozaki has lent his expertise to renowned companies, particularly Hitachi, Ltd. and Hitachi Displays, Ltd. His work at these firms has been pivotal in advancing display technologies, making him a respected figure in the industry.

Collaborations

Ozaki has also collaborated with notable colleagues in his field, including Shinya Ohba and Masaaki Nakai. Together, they have worked on various projects that have pushed the boundaries of current display technology, contributing to stable and high-performance display systems.

Conclusion

In summary, Toshifumi Ozaki's innovative spirit and dedication to developing cutting-edge display technologies have earned him recognition in the technological landscape. His 22 patents reflect a career filled with achievements, making him a key player in the ongoing evolution of display devices. As technology continues to advance, the impact of his inventions will likely be felt for years to come.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.