Company Filing History:

10 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

1 out of 1

Mitsubishi Electric Corporaiton

patent

Years Active: 2000-2011

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7970076 - Wireless apparatus (2011-06-28),

2. 7095778 - Spread spectrum transmitter and spread spectrum receiver (2006-08-22),

3. 6940892 - Spread spectrum transmission apparatus, spread spectrum reception apparatus, and spread spectrum communication system (2005-09-06),

4. 6850576 - Method and apparatus for reproducing timing, and a demodulating apparatus that uses the method and apparatus for reproducing timing (2005-02-01),

5. 6728298 - Spread spectrum communication system and method for the same (2004-04-27),

6. 6683493 - Timing reproducing device and demodulator (2004-01-27),

7. 6650718 - Timing reproducer and demodulator comprising this (2003-11-18),

8. 6522684 - Delay lock loop, receiver, and spectrum spreading communication system (2003-02-18),

9. 6456672 - Automatic frequency control communication system (2002-09-24),

10. 6212222 - Initial acquisition circuit (2001-04-03),

11. 6097766 - Timing phase synchronization detecting circuit and demodulator (2000-08-01),

Title: Seiji Okubo: Innovator in Wireless Technology

Introduction

Seiji Okubo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of wireless technology, holding a total of 11 patents. His innovative work has paved the way for advancements in communication systems.

Latest Patents

Among his latest patents, Okubo has developed a wireless apparatus that performs frequency conversion on received signals. This apparatus utilizes a mixer and an analog filter to correct distortion that occurs due to the non-ideal nature of the analog filter. Additionally, he has created a spread spectrum transmitter and receiver that enhances the transmission and reception of spread spectrum signals across multiple channels. These inventions demonstrate his expertise in addressing complex challenges in wireless communication.

Career Highlights

Throughout his career, Seiji Okubo has worked with notable companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the industry.

Collaborations

Okubo has collaborated with esteemed colleagues, including Toshiharu Kojima and Akinori Fujimura. These partnerships have fostered a creative environment that has led to the development of innovative solutions in wireless technology.

Conclusion

Seiji Okubo's contributions to wireless technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in communication systems, showcasing the importance of innovation in technology.

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