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For the Inventor, By the Inventor

Nagaokakyo, Japan

Yasuo Yamada

This inventor holds 32 USPTO granted patents, primarily in Dielectric Filters. Top assignee: Murata Manufacturing Co., Ltd.. Active years: 1988-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Yamada. Retrieved from https://idiyas.com/inventor/yasuo-yamada-rywa944k

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

Calculating rank
USPTO Granted Patents = 32

% Patents Active = 93.8

Average Co-Inventor Count = 4.2

ph-index = 8

Forward Citations = 241(Granted Patents)


Location History:

  • Kyoto, JP (1996 - 1998)
  • Kanazawa, JP (1996 - 2005)
  • Fukui-ken, JP (2005)
  • Nagaokakyo, JP (1988 - 2024)

Company Filing History:

goldMedal32 out of 13,796 
 
Murata Manufacturing Co., Ltd.
 patents

Years Active: 1988-2024

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Areas of Expertise:
Dielectric Resonator
Dielectric Filter
Multiplexer
Antenna Duplexer
Frequency Variable Filter
Communication Apparatus
Resonator Electrodes
Characteristic Adjusting Method
Manufacturing Method
Piezoelectric Fan
Distortion Compensation Amplifier
Group Delay Equalizer
32 patents (USPTO):Explore Patents
1. 12051847 - Dielectric resonator, dielectric filter, and multiplexer (2024-07-30),
2. 12027742 - Distributed constant filter, distributed constant line resonator, and multiplexer (2024-07-02),
3. 6958663 - In-band group delay equalizer and distortion compensation amplifier (2005-10-25),
4. 6914499 - Conductive cover for dielectric filter, dielectric filter, dielectric duplexer, and communication apparatus (2005-07-05),
5. 6885261 - Dielectric filter, antenna sharing device, and communication device having a voltage controlled reactance element for tuning the center frequency (2005-04-26),
6. 6694601 - Method of adjusting characteristics of dielectric filter (2004-02-24),
7. 6590475 - Filter, antenna duplexer, and communication apparatus incorporating the same (2003-07-08),
8. 6522220 - Frequency variable filter, antenna duplexer, and communication apparatus incorporating the same (2003-02-18),
9. 6466109 - Dielectric filter having non-conductive adjusting regions (2002-10-15),
10. 6401328 - Manufacturing method of dielectric filter having a pattern electrode disposed within a dielectric body (2002-06-11),
11. 6400238 - Dielectric filter having side surface indentation (2002-06-04),
12. 6353374 - Dielectric filter with recessed end surface (2002-03-05),
13. 6313720 - Dielectric resonator device having resonator electrodes with gaps (2001-11-06),
14. 6307448 - Frequency-variable-type filter, antenna duplexer, and communication apparatus (2001-10-23),
15. 6288620 - Antenna-duplexer and communication apparatus (2001-09-11),

Title: **Innovative Contributions of Yasuo Yamada in Dielectric Technology**

Introduction

Yasuo Yamada, based in Nagaokakyo, Japan, is an accomplished inventor known for his significant contributions to dielectric technology. With an impressive portfolio of 32 patents, Yamada has played a crucial role in advancing the field of electronic components and systems.

Latest Patents

Yamada's latest patents include innovations in dielectric resonators, dielectric filters, and multiplexers. One notable patent describes a dielectric resonator that comprises a dielectric substrate, a distributed element, and a shield conductor portion. The distributed element extends in the X-axis direction within the dielectric substrate, while the shield conductor portion is located on the surface of the substrate. This design allows for unique functionality, where one end of the distributed element remains unconnected to the shield. Additionally, another of his patents details a distributed constant filter, which includes a resonator that faces a first ground electrode. This resonator is a distributed constant line resonator with a configuration that enhances its performance and efficiency.

Career Highlights

Yasuo Yamada is affiliated with Murata Manufacturing Co., Ltd., a leader in the production of electronic components. His work at Murata has been pivotal in the development of advanced solutions in the electronics industry. Through his innovative spirit and technical expertise, Yamada has established himself as a key figure in his field.

Collaborations

Yamada has collaborated with notable colleagues such as Tadahiro Yorita and Haruo Matsumoto. These partnerships have facilitated the exchange of ideas and spurred further advancements in dielectric technology, showcasing the collaborative nature of innovation within the industry.

Conclusion

With 32 patents to his name, Yasuo Yamada continues to make substantial contributions to the realm of dielectric technology. His innovative designs not only push the boundaries of electronics but also provide essential building blocks for future developments. Through his work at Murata Manufacturing Co., Ltd. and his collaborations, Yamada remains an influential figure in the engineering landscape.

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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