Company Filing History:

9 out of 144

Uniden Corporation

patents

2 out of 73

Uniden America Corporation

patents

where one patent can have more than one assignee

Years Active: 1995-2010

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7684831 - Signal processing device and hands-free call device (2010-03-23),

2. 6907094 - Diversity receiving device (2005-06-14),

3. 6839550 - Diversity antenna switching device and method, and storage medium (2005-01-04),

4. 6418209 - Telecommunications device equipped with in-call incoming call notification function and method for detecting in-call incoming signal notification (2002-07-09),

5. 5960358 - Telephone system providing a talking operation after main power supply (1999-09-28),

6. 5929598 - Noncontact charging device, charger, cordless electric equipment, and (1999-07-27),

7. 5825161 - Battery pack and charging device (1998-10-20),

8. 5481595 - Voice tag in a telephone auto-dialer (1996-01-02),

9. 5381460 - Monitor mode in a portable telephone (1995-01-10),

Title: Toshiaki Fujikura: Innovator in Signal Processing and Diversity Receiving Devices

Introduction

Toshiaki Fujikura is a prominent inventor based in Chiba, Japan. He has made significant contributions to the fields of signal processing and communication technology. With a total of nine patents to his name, Fujikura's work has had a considerable impact on the industry.

Latest Patents

Fujikura's latest patents include a signal processing device and a hands-free call device. The signal processing device features a speaker amplifier that amplifies the reception voice, a reception voice attenuator for managing voice input during transmission, and a detection circuit for both reception and transmission voices. Additionally, it includes a discriminator that determines the operational mode based on detection outputs. Another notable invention is a diversity receiving device designed for superior interference resistance. This device comprises multiple antennas, an antenna switching device, a demodulator, and a digital matched filter, among other components, all working together to enhance signal quality.

Career Highlights

Throughout his career, Toshiaki Fujikura has worked with notable companies such as Uniden Corporation and Uniden America Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in signal processing technology.

Collaborations

Fujikura has collaborated with several talented individuals in his field, including Hidekazu Nakama and Susumu Ohashi. These partnerships have contributed to the advancement of his inventions and the successful implementation of his ideas.

Conclusion

Toshiaki Fujikura is a distinguished inventor whose work in signal processing and diversity receiving devices has made a lasting impact on technology. His innovative patents and collaborations highlight his commitment to advancing communication technology.

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