Company Filing History:

6 out of 35,658

Nec Corporation

patents

2 out of 35

Nec Microwave Tube, Ltd.

patents

Years Active: 1995-2015

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8934018 - Multiprojection display system and screen forming method (2015-01-13),

2. 8816937 - Multiprojection display system and screen forming method (2014-08-26),

3. 6756734 - Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device (2004-06-29),

4. 6583567 - Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device (2003-06-24),

5. 6452335 - Field emission type cold-cathode electron gun with focusing electrode (2002-09-17),

6. 6310438 - Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device (2001-10-30),

7. 5646585 - Tunable cavity resonator for a multi-cavity klystron (1997-07-08),

8. 5422541 - Klystron tuning mechanism having means for changing the pitch of an (1995-06-06),

Title: Shunji Tsuida: Innovator in Multiprojection Display Systems

Introduction

Shunji Tsuida is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology, particularly in multiprojection systems. With a total of eight patents to his name, Tsuida's work has advanced the way images are projected and displayed.

Latest Patents

One of Tsuida's latest patents is a multiprojection display system and screen forming method. This innovative system includes multiple cameras that capture images of specific regions containing marks with varying visible light reflection ratios. An image processing circuit detects the positions of projected images and adjusts them to ensure they align correctly with the intended display. Another notable patent involves a similar multiprojection display system that utilizes two-dimensional scanning projectors. This system captures images of the screen and detects vertex positions to ensure accurate image projection.

Career Highlights

Throughout his career, Tsuida has worked with notable companies such as NEC Corporation and NEC Microwave Tube, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in display technology.

Collaborations

Tsuida has collaborated with esteemed colleagues, including Hironori Imura and Hideo Makishima. Their combined expertise has contributed to the advancement of multiprojection display systems.

Conclusion

Shunji Tsuida's contributions to the field of display technology through his innovative patents and collaborations have significantly impacted the industry. His work continues to influence the development of advanced projection systems.

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