Company Filing History:

13 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

1 out of 16,453

Panasonic Corporation

patents

Years Active: 1999-2012

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8130325 - Luminance level control device (2012-03-06),

2. 7045977 - Vertical/horizontal amplitude controller (2006-05-16),

3. 6970203 - Automatic cut-off system (2005-11-29),

4. 6809778 - Apparatus and method for YC separation and three-line correlation detection (2004-10-26),

5. 6731344 - Horizontal automatic frequency control (AFC) circuit (2004-05-04),

6. 6597407 - Contour correction circuit and contour correction method (2003-07-22),

7. 6597404 - Phase controller of horizontal drive pulse and method of the same (2003-07-22),

8. 6567129 - Color demodulating device (2003-05-20),

9. 6538702 - Digital color signal reproducing circuit (2003-03-25),

10. 6404148 - Switching apparatus for horizontal driving pulse (2002-06-11),

11. 6188445 - Luminance signal and chrominance signal correlation detection and separation circuit (2001-02-13),

12. 6023305 - Primary color video signal output circuit (2000-02-08),

13. 5959695 - 2-line YC separation device (1999-09-28),

14. 5956095 - Noise suppression apparatus (1999-09-21),

Title: **Nobuo Taketani: Innovator in Video Signal Processing**

Introduction

Nobuo Taketani, an esteemed inventor from Hyogo, Japan, has made significant contributions to the field of video signal processing. With a portfolio of 14 patents, Taketani has developed innovative technologies that enhance the quality and efficiency of video displays.

Latest Patents

Among his notable inventions, Taketani's recent patents include a **Luminance Level Control Device** and a **Vertical/Horizontal Amplitude Controller**. The luminance level control device features a scene change detecting circuit that identifies transitions in video and adjusts the luminance based on the average luminance level of the signal. This technology successfully limits power consumption while maintaining optimal display conditions. The vertical/horizontal amplitude controller ensures that both vertical and horizontal amplitudes of image displays remain constant, even when the brightness level of the video signal fluctuates abruptly. These innovations demonstrate Taketani's commitment to enhancing video technology.

Career Highlights

Taketani's career is marked by his tenure at prestigious companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work within these organizations has allowed him to spearhead important advancements in video technology.

Collaborations

Throughout his career, Taketani has collaborated with prominent professionals in the industry, including colleagues Ryuichi Shibutani and Hiroshi Ando. These collaborative efforts have played a crucial role in the successful development of his patented inventions.

Conclusion

Nobuo Taketani stands out as a pioneering inventor in the realm of video signal processing. With a wealth of patents and a strong background in the industry, his innovations continue to impact and improve the performance of video display devices. His work exemplifies the spirit of innovation, pushing the boundaries of technology for better video quality and efficiency.

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