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For the Inventor, By the Inventor

Tokyo, Japan

Norihisa Shiroyama

This inventor holds 10 USPTO granted patents and 2 EPO patents. Top assignees: Nec Corporation, Nec Engineering, Ltd.. Active years: 2014-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihisa Shiroyama. Retrieved from https://idiyas.com/inventor/norihisa-shiroyama

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

USPTO Granted Patents = 10

% Patents Active = 80.0

 

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Shinagawa-ku, JP (2014)
  • Tokyo, JP (2017 - 2020)
  • Kanagawa, JP (2018 - 2021)

Company Filing History:

goldMedal10 out of 36,684 
 
Nec Corporation
 patents
silverMedal2 out of 37 
 
Nec Engineering, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2014-2021

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10 patents (USPTO):Explore Patents
1. 11139547 - Tunable bandpass filter and method of forming the same (2021-10-05),
2. 11114735 - Coaxial to waveguide transducer including an L shape waveguide having an obliquely arranged conductor and method of forming the same (2021-09-07),
3. 10714804 - Coaxial wiring device and transmission/reception integrated splitter (2020-07-14),
4. 10347959 - Coaxial wiring device and transmission/reception integrated splitter (2019-07-09),
5. 10033075 - Cross coupled band-pass filter (2018-07-24),
6. 9831539 - Waveguide coaxial conversion device and transmission/reception integrated splitter (2017-11-28),
7. 9793590 - Coaxial wiring device and transmission/reception integrated splitter (2017-10-17),
8. 9786974 - Tunable band-pass filter (2017-10-10),
9. D720312 - Coaxial waveguide converter substrate with filtering function (2014-12-30),
10. D720311 - Coaxial waveguide converter substrate with filtering function (2014-12-30),

Title: Norihisa Shiroyama: Innovator in Waveguide Technologies

Introduction

Norihisa Shiroyama is a prominent inventor based in Tokyo, Japan, known for his groundbreaking contributions to waveguide technologies. With a portfolio that includes 10 patents, Shiroyama has proven to be a significant figure in the field of telecommunications and signal processing.

Latest Patents

Shiroyama's most recent inventions highlight his expertise in creating advanced waveguide components. One of his notable patents is a **Tunable Bandpass Filter** which features a complex design comprising a waveguide and multiple resonators strategically arranged within it. This innovative filter allows for selective frequency tuning, enhancing signal clarity and performance.

Another of his significant patents is the **Coaxial Waveguide Transducer**, which utilizes an L-shaped waveguide. This invention integrates obliquely arranged conductors to optimize signal transmission, offering improved efficiency for coaxial lines. Both patents showcase his creativity and commitment to advancing technology in his field.

Career Highlights

Throughout his career, Norihisa Shiroyama has worked with reputable companies, including NEC Corporation and NEC Engineering, Ltd. His contributions to these organizations have helped propel advancements in telecommunications systems and signal processing technologies. Shiroyama's work has earned him respect and recognition in the engineering community.

Collaborations

Collaboration has been a significant aspect of Shiroyama's success. He has worked alongside talented individuals such as Takahiro Miyamoto and Kiyotake Sasaki, which has fostered a dynamic exchange of ideas and innovations. These collaborations have undoubtedly enriched his work and contributed to his innovative output.

Conclusion

Norihisa Shiroyama's extensive knowledge and inventive spirit have made him a key player in the realm of waveguide technologies. With his impressive collection of patents and a career marked by meaningful collaborations and contributions, he remains an influential figure in the innovation landscape of telecommunications.

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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