Company Filing History:

11 out of 2,861

Pioneer Electronic Corporation

Years Active: 1980-2010

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7706542 - Noise removal device (2010-04-27),

2. 7369836 - Adjacent interference removal device (2008-05-06),

3. 7103122 - Noise canceller (2006-09-05),

4. 6229386 - Digital FM demodulation circuit (2001-05-08),

5. 5895479 - Prediction filter (1999-04-20),

6. 5311087 - Noise removing circuit (1994-05-10),

7. 4366450 - Automatic gain control circuit (1982-12-28),

8. 4263581 - Manual tuning pulse generator (1981-04-21),

9. 4237373 - Magnetic tape running state and tape run amount display device (1980-12-02),

10. 4229707 - Automatic gain control circuit (1980-10-21),

11. 4225968 - Electronic tuning type receiver having a band display and numerical (1980-09-30),

12. 4205353 - Combination device having a magnetic recording and reproducing unit and (1980-05-27),

13. 4205270 - Station selection indicating device (1980-05-27),

14. 4196395 - Preset state indicating unit in an electronic tuning type receiver (1980-04-01),

15. 4195274 - Temperature compensating circuit for varactor diodes (1980-03-25),

Title: The Innovations of Hisashi Suganuma

Introduction

Hisashi Suganuma is a renowned inventor based in Saitama, Japan, with an impressive portfolio of 15 patents to his name. His contributions to the field of noise removal and signal processing have significantly influenced technological advancements, particularly in audio and communication systems.

Latest Patents

Hisashi Suganuma's latest patents include a noise removal device designed to enhance noise removal precision. This device utilizes advanced techniques such as a second noise extracting unit and noise hold control signals to effectively eliminate noise from signals. The workflow involves comparing noise signals and generating smoothed outputs, resulting in an FM detection signal free from noise interference.

Another noteworthy invention is the adjacent interference removal device, which aims to improve reception quality. This device employs narrow band filters to isolate interference and utilizes signal detection techniques to ensure clear communication signals are transmitted. By intricately managing the detection and processing of signals, Suganuma's inventions address critical issues in signal integrity and reliability.

Career Highlights

Throughout his career, Hisashi Suganuma has worked with notable companies, including Pioneer Electronic Corporation and Pioneer Corporation. His work in these organizations has allowed him to apply his innovative ideas in practical settings, directly impacting product developments and enhancing audio technologies.

Collaborations

Suganuma has collaborated with other esteemed professionals, such as Masanao Okatani and Hiroshi Onishi. These partnerships have fostered a collaborative environment, encouraging the exchange of ideas and further driving innovation in the realm of signal processing.

Conclusion

Hisashi Suganuma's contributions to the field of technology, particularly in noise removal and signal processing, underline the importance of innovation in enhancing communication and audio technologies. With a solid foundation of patents and a collaborative spirit, Suganuma continues to be an influential figure in the world of inventors.

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