Company Filing History:

9 out of 2,467

Nec Electronics Corporation

Calsonic Kansei Corporation

patents

Years Active: 1997-2010

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7683871 - Display control circuit (2010-03-23),

2. 7432903 - Common inversion driving type liquid crystal display device and its driving method capable of suppressing color errors (2008-10-07),

3. 7271792 - Display control circuit (2007-09-18),

4. 7248254 - Gamma correcting circuit and panel drive apparatus equipped with gamma correcting circuit (2007-07-24),

5. 7173597 - Signal-adjusted LCD control unit (2007-02-06),

6. 7098904 - Display control circuit and display device (2006-08-29),

7. 7038525 - Analog switching circuit and gradation selector circuit (2006-05-02),

8. 6821639 - Metal substrate for carrying catalyst and method for manufacturing the same (2004-11-23),

9. 6806855 - Liquid crystal panel driving circuit and method of driving a liquid crystal panel (2004-10-19),

10. 6650341 - Liquid crystal driving method and liquid crystal driving circuit for correcting (2003-11-18),

11. 6424219 - Operational amplifier (2002-07-23),

12. 6316999 - Operational amplifier (2001-11-13),

13. 6140989 - Image signal control circuit which controls image signal for displaying (2000-10-31),

14. 6100762 - Operational amplifier having a wide input/output range and an improved (2000-08-08),

15. 6067037 - Digital-to-analog converter implemented by simple switched capacitor (2000-05-23),

Title: Fumihiko Kato: An Innovator in Display Technology

Introduction

Fumihiko Kato is a prominent inventor known for his significant contributions to display technology. Residing in Yamagata, Japan, Kato holds a remarkable portfolio of 18 patents, reflecting his dedication to innovation in the field.

Latest Patents

Among his latest patents, Kato has developed a display control circuit that enhances the functionality of display devices. This invention features a gamma circuit that produces a gray scale voltage while a selection drive circuit manages the output based on pixel data. The selected gray scale voltage is then provided as a driving signal, showcasing Kato's cutting-edge approach to display technology.

Another notable patent is his method for driving a common inversion type liquid crystal display apparatus. This invention employs a unique mechanism that inverts the common voltage applied to the common electrode for each scan line. By time-divisionally receiving digital video signals, Kato's method effectively generates an output sequence of analog video signals, ensuring accuracy in color representation and minimizing errors.

Career Highlights

Kato has worked at prestigious companies such as NEC Electronics Corporation and NEC Corporation, where he further developed his expertise in electronic and display technologies. His roles at these organizations have allowed him to pioneer several influential projects and further his research in this rapidly evolving field.

Collaborations

Throughout his career, Fumihiko Kato has collaborated with esteemed colleagues, including Michio Yotsuyanagi and Makoto Miura. These partnerships have fostered innovation and led to the development of ground-breaking technologies impacting the display sector.

Conclusion

Fumihiko Kato's work continues to influence the evolution of display technologies significantly. With 18 patents to his name, his inventions are important contributions to the industry and exemplify the spirit of innovation that drives progress in technology today.

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