Izumisano, Japan

Hiroshi Kushitani

This inventor holds 26 USPTO granted patents, primarily in High-Frequency Filters. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1998-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kushitani. Retrieved from https://idiyas.com/inventor/hiroshi-kushitani

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 53.8

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 381(Granted Patents)


Location History:

  • Izumisano, JP (1998 - 2007)
  • Osaka, JP (2003 - 2007)

Company Filing History:


Years Active: 1998-2007

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Areas of Expertise:
High Frequency
Laminated Filter
Surface Acoustic Wave
Dielectric Filter
Duplexer
Communication Equipment
Matching Circuit
Radio Frequency
Amplifier
Mobile Communication
Switch Module
Low-Pass Filter
26 patents (USPTO):Explore Patents

Title: **Hiroshi Kushitani: Innovator in High-Frequency Technology**

Introduction

Hiroshi Kushitani, based in Izumisano, Japan, is a prominent inventor renowned for his significant contributions to the field of high-frequency technologies. With an impressive portfolio of 26 patents, he has demonstrated a commitment to innovating and enhancing electronic components used in communication systems.

Latest Patents

Hiroshi's latest works include two notable patents. The first, titled "High frequency laminated component and its manufacturing method," focuses on downsizing a high-frequency laminated component utilized in radio communication apparatuses. This invention features a dielectric layer with a lower dielectric constant formed around the via-hole electrode. By minimizing electric interference, this innovation allows for a closer arrangement of the circuit electrode and the via-hole electrode, achieving the desired reduction in size.

The second patent, "Surface acoustic wave filter and device employing it," presents a sophisticated design for a surface acoustic wave (SAW) filter. This filter consists of multiple SAW resonators connected in series, designed to enhance sharp attenuation at high frequencies while widening the pass band and reducing signal loss. Such advancements are critical for improving the performance of high-frequency communication devices.

Career Highlights

Hiroshi Kushitani is affiliated with Matsushita Electric Industrial Co., Ltd., where he has been instrumental in driving technological advancements. His innovative approach to design and engineering of high-frequency components has set benchmarks in the industry, reflecting his expertise and dedication to excellence in patentable inventions.

Collaborations

Throughout his career, Hiroshi has collaborated with talented individuals such as Hideaki Nakakubo and Toru Yamada. These partnerships have enabled the exchange of ideas and fostered a collaborative environment that has led to the successful development of groundbreaking technologies.

Conclusion

Hiroshi Kushitani stands out as a key figure in the evolution of high-frequency technology. His impressive portfolio of patents and collaborations exemplifies his innovative spirit and commitment to the field. As technologies continue to advance, Hiroshi's contributions are likely to play an increasingly pivotal role in shaping the future of communication technologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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