Hyogo, Japan

Toshio Ishizaki

USPTO Granted Patents = 100 


Average Co-Inventor Count = 3.9

ph-index = 19

Forward Citations = 1,340(Granted Patents)

Forward Citations (Not Self Cited) = 1,304(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kyoto, JP (1995)
  • Hyougo, JP (2002)
  • Kobe, JP (1992 - 2008)
  • Hyogo, JP (1997 - 2013)

Company Filing History:


Years Active: 1992-2013

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Areas of Expertise:
Radio Frequency Amplifier
High-Frequency Filter
Dielectric Resonator
Antenna Duplexer
Spread-Spectrum Heating
Surface Acoustic Wave Filter
Composite Duplexer
Laminated Electronic Component
Matching Circuit Chip
Inter-Digital Transducer
High Frequency Switch
Resonator and Filter
100 patents (USPTO):Explore Patents

Title: Toshio Ishizaki: A Leading Innovator in Radio Frequency Technology

Introduction

Toshio Ishizaki, based in Hyogo, Japan, is a prominent inventor known for his significant contributions to radio frequency technology. With an impressive portfolio of 100 patents, Ishizaki's work has advanced the field of telecommunications and electronics.

Latest Patents

Among his most recent innovations are two groundbreaking patents focused on radio frequency amplifiers. The first patent for a "Radio frequency power amplifier" describes an innovative design that includes a transistor for amplifying radio frequency signals. It features an input matching circuit and an output matching circuit, alongside a reactance control circuit that optimizes performance at specific frequencies. The second patent, titled "Radio frequency amplifier circuit," aims to enhance output and efficiency. This invention incorporates multiple harmonic processing circuits, positioned strategically to ensure superior radio frequency amplification.

Career Highlights

Ishizaki has had a distinguished career, having worked with renowned companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experiences at these leading organizations have allowed him to hone his expertise in developing cutting-edge electronic components and systems that address contemporary communication challenges.

Collaborations

Throughout his career, Ishizaki has collaborated with fellow innovators such as Toru Yamada and Hideaki Nakakubo. These partnerships have enabled the exchange of ideas and fostered a work environment conducive to the birth of innovative technologies.

Conclusion

Toshio Ishizaki's legacy in the realm of radio frequency technology is marked by his prolific patent output and impactful collaborations. As he continues to innovate, his contributions will likely shape the future of telecommunications, emphasizing the importance of research and development in the field.

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