Company Filing History:

14 out of 58,129

Sony Corporation

where one patent can have more than one assignee

Years Active: 1984-2002

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6469430 - Method for reducing resonant frequency vibrations in a cathode ray tube (2002-10-22),

2. 5914559 - Resistance element and cathode ray tube (1999-06-22),

3. 5892322 - Electron gun having spacer placed between first and second electrode (1999-04-06),

4. 5830819 - Alumina sintered product (1998-11-03),

5. 5829350 - Printing apparatus and method for printing the inner surface of a (1998-11-03),

6. 5744191 - Method and apparatus for use in producing cathode ray tube (1998-04-28),

7. 5702526 - Apparatus for use in producing cathode ray tube (1997-12-30),

8. 5661363 - Luminated main lens member for an electron gun (1997-08-26),

9. 5660875 - Method and apparatus for use in producing cathode ray tube (1997-08-26),

10. 5521462 - Electron gun for CRT (1996-05-28),

11. 5191259 - Fluorescent display apparatus with first, second and third grid plates (1993-03-02),

12. 4529905 - Cathode ray tube apparatus (1985-07-16),

13. 4526601 - Method of fixing an electron gun assembly into the neck of a cathode ray (1985-07-02),

14. 4482447 - Nonaqueous suspension for electrophoretic deposition of powders (1984-11-13),

Title: Tsuneo Muchi: Innovator in Cathode Ray Tube Technology

Introduction

Tsuneo Muchi is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of cathode ray tube technology, holding a total of 14 patents. His innovative designs have enhanced the performance and reliability of cathode ray tubes, which have been widely used in various electronic devices.

Latest Patents

One of Muchi's latest patents is a method for reducing resonant frequency vibrations in a cathode ray tube. This invention includes a color selecting electrode with multiple metal tapes, a rectangular frame that holds the electrode under tension, and a plate spring that engages with a panel. The unique design ensures that the resonance frequency of the plate spring differs from that of the metal tapes, preventing large amplitude vibrations that could lead to color deviation. Another notable patent involves a resistance element formed on a substrate that supplies high voltage to an electron gun of a cathode ray tube. This design incorporates a high resistance conductive material layer, enhancing the functionality and safety of the cathode ray tube.

Career Highlights

Throughout his career, Tsuneo Muchi has worked with renowned companies such as Sony Corporation and Kyocera Corporation. His experience in these leading organizations has allowed him to refine his skills and contribute to groundbreaking advancements in technology.

Collaborations

Muchi has collaborated with notable coworkers, including Tsunenari Saito and Yoji Kono. These partnerships have fostered a creative environment that has led to innovative solutions in the field of cathode ray tubes.

Conclusion

Tsuneo Muchi's contributions to cathode ray tube technology have made a lasting impact on the industry. His inventive spirit and dedication to innovation continue to inspire future advancements in electronic display technologies.

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