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For the Inventor, By the Inventor

Izumo, Japan

Osamu Yamaoka

This inventor holds 12 USPTO granted patents. Top assignee: Murata Manufacturing Co., Ltd.. Active years: 1989-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Yamaoka. Retrieved from https://idiyas.com/inventor/osamu-yamaoka

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 5

Forward Citations = 128(Granted Patents)


Location History:

  • Youkaichi, JP (1989)
  • Nagaokakyo, JP (1990 - 1996)
  • Shimane-ken, JP (2002)
  • Izumo, JP (2002 - 2008)

Company Filing History:

goldMedal12 out of 13,796 
 
Murata Manufacturing Co., Ltd.
 patents

Years Active: 1989-2008

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12 patents (USPTO):Explore Patents
1. 7409304 - Method of calculating effective power relating to capacitor, method of measuring effective power consumed by capacitor, capacitor selection method, calculation apparatus for calculating effective power relating to capacitor, and recording medium storing the calculation program therefor (2008-08-05),
2. 7158898 - Method of calculating effective power relating to capacitor, method of measuring effective power consumed by capacitor, capacitor selection method, calculation apparatus for calculating effective power relating to capacitor, and recording medium storing the calculation program therefor (2007-01-02),
3. 6452780 - Capacitor (2002-09-17),
4. 6451721 - Dielectric ceramic composition (2002-09-17),
5. 6373684 - Ceramic electronic component having lead terminal (2002-04-16),
6. 6362948 - Electronic component (2002-03-26),
7. 6356037 - Dielectric ceramic and a capacitor using the same (2002-03-12),
8. 5587869 - High-voltage capacitor manufacturing method and high-voltage capacitor (1996-12-24),
9. 5040091 - Feed-through capacitor (1991-08-13),
10. 4942496 - Ceramic capacitor and manufacturing method thereof (1990-07-17),
11. 4937096 - Manufacturing method for a ceramic capacitor (1990-06-26),
12. 4814938 - High voltage capacitor (1989-03-21),

Title: Innovations by Osamu Yamaoka

Introduction

Osamu Yamaoka is a prominent inventor based in Izumo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the area of capacitors. With a total of 12 patents to his name, Yamaoka's work has advanced the understanding and application of capacitors in various technologies.

Latest Patents

Yamaoka's latest patents include several innovative methods and apparatuses related to capacitors. These patents are:

1. Method of calculating effective power relating to capacitor.

2. Method of measuring effective power consumed by capacitor.

3. Capacitor selection method.

4. Calculation apparatus for calculating effective power relating to capacitor.

5. Recording medium storing the calculation program therefor.

In his method of calculating effective power relating to a capacitor, the waveform of a periodic voltage applied to a capacitor is set. The capacitance of a desired capacitor is input. The waveform of the periodic voltage applied to both ends of the capacitor is subjected to Fourier expansion. More specifically, the periodic voltage is Fourier-expanded in terms of sine and cosine-wave series of high-order frequency components. Furthermore, an effective power consumed by the capacitor is calculated using data regarding temperature characteristics, voltage characteristics, and a frequency characteristic of the capacitance and dielectric tangent of the capacitor.

Career Highlights

Osamu Yamaoka is currently employed at Murata Manufacturing Co., Ltd., a leading company in the electronics industry. His work at Murata has allowed him to focus on innovative solutions that enhance the performance and efficiency of capacitors.

Collaborations

Yamaoka has collaborated with notable colleagues such as Shinichi Kobayashi and Kazuyuki Kubota. These collaborations have contributed to the development of advanced technologies in the field of capacitors.

Conclusion

Osamu Yamaoka's contributions to capacitor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in electrical engineering and related industries.

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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