logo

For the Inventor, By the Inventor

Tokyo, Japan

Hachiro Yamada

USPTO Granted Patents = 11

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 169(Granted Patents)


Company Filing History:

goldMedal11 out of 35,705 
 
Nec Corporation
 patents

Years Active: 1987-2006

Loading Chart...
11 patents (USPTO):Explore Patents
1. 7023406 - Method and apparatus for enhancing peak luminance on plasma display panel (2006-04-04),
2. 6340961 - Method and apparatus for displaying moving images while correcting false moving image contours (2002-01-22),
3. 6323880 - Gray scale expression method and gray scale display device (2001-11-27),
4. 6275203 - Plasma display panel with a structure capable of reducing various noises (2001-08-14),
5. 5455784 - Associative memory device with small memory cells selectively storing (1995-10-03),
6. 5371697 - Associative memory device equipped with associative memory cells (1994-12-06),
7. 5175860 - System string search system using matrix memory?comparator with columns (1992-12-29),
8. 4985861 - High speed digital signal processor for signed digit numbers (1991-01-15),
9. 4907194 - String comparator for searching for reference character string of (1990-03-06),
10. 4755974 - Content-addressable memory (1988-07-05),
11. 4635226 - Bloch line pair driving device capable of quickly driving each Bloch (1987-01-06),

Title: Hachiro Yamada: Innovator in Plasma Display Technology

Introduction

Hachiro Yamada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of plasma display technology, holding a total of 11 patents. His work focuses on enhancing the performance and efficiency of plasma display panels, making them more suitable for modern applications.

Latest Patents

Yamada's latest patents include a "Method and apparatus for enhancing peak luminance on plasma display panel." This invention aims to provide a plasma display device that achieves a peak luminance higher than prior art while reducing power dissipation. It improves the smoothness of gradation display and ensures clear visuals, particularly for television displays. By adjusting the average value of scene brightness and modifying the sustaining pulse period, Yamada's method enhances peak luminance and improves light emission efficiency.

Another notable patent is the "Method and apparatus for displaying moving images while correcting false moving image contours." This invention addresses the issue of false contours in moving images by controlling the level of correction based on a predetermined dispersion pattern. This innovative approach prevents artifacts in the displayed images, ensuring a smoother viewing experience.

Career Highlights

Hachiro Yamada is associated with NEC Corporation, a leading technology company known for its advancements in electronics and information technology. His work at NEC has allowed him to push the boundaries of plasma display technology, contributing to the company's reputation for innovation.

Collaborations

Yamada has collaborated with notable colleagues, including Kousuke Takahashi and Akira Tanaka. Their combined expertise has fostered advancements in display technology, further enhancing the capabilities of plasma displays.

Conclusion

Hachiro Yamada's contributions to plasma display technology have significantly impacted the industry. His innovative patents and collaborations continue to shape the future of display technology, ensuring that advancements in this field remain at the forefront of consumer electronics.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…