Company Filing History:

6 out of 42,485

Hitachi, Ltd.

patents

2 out of 129

Hitachi Communication Technologies, Ltd.

patents

Years Active: 2008-2015

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9020558 - Wireless communication system, communication method, and base station (2015-04-28),

2. 8082006 - Base station, receiving apparatus, and receiver trouble diagnosing method (2011-12-20),

3. 7995674 - Digital predistortion transmitter (2011-08-09),

4. 7907908 - Radio access point testing apparatus and method of testing radio access point (2011-03-15),

5. 7864881 - Digital predistortion transmitter (2011-01-04),

6. 7848745 - Radio access point testing method and testing apparatus (2010-12-07),

7. 7366508 - Radio access point testing method and testing apparatus (2008-04-29),

8. 7353020 - Radio access point testing apparatus and method of testing radio access point (2008-04-01),

Title: Yoshiaki Hasegawa: Innovator in Wireless Communication Technology

Introduction

Yoshiaki Hasegawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of wireless communication, holding a total of 8 patents. His work focuses on enhancing communication systems and methods, particularly in optimizing power consumption and diagnosing receiver issues.

Latest Patents

Hasegawa's latest patents include a wireless communication system that comprises a terminal device and a base station. The terminal device features multiple wireless transmitters and antennas, along with a controller that generates transmission signals. The base station is equipped with wireless receivers and antennas, and it adjusts various parameters to ensure communication occurs within the terminal device's power consumption limits. Another notable patent involves a base station and a method for diagnosing receiver troubles, utilizing a low noise amplifier and automatic gain control to assess receiver functionality.

Career Highlights

Throughout his career, Hasegawa has worked with notable companies such as Hitachi, Ltd. and Hitachi Communication Technologies, Ltd. His experience in these organizations has allowed him to develop innovative solutions that address complex challenges in wireless communication.

Collaborations

Hasegawa has collaborated with talented individuals in the field, including Yoshihiro Kanomata and Tomoya Uchiike. These partnerships have contributed to the advancement of technology in wireless communication systems.

Conclusion

Yoshiaki Hasegawa's contributions to wireless communication technology demonstrate his expertise and innovative spirit. His patents reflect a commitment to improving communication systems and addressing power consumption challenges. His work continues to influence the industry and inspire future innovations.

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