Yutaka Ikeda

This inventor holds 13 USPTO granted patents. Top assignees: Murata Manufacturing Co., Ltd., Murata Mfg. Co., Ltd.. Active years: 1998-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Ikeda. Retrieved from https://idiyas.com/inventor/yutaka-ikeda-eygdwct2

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

USPTO Granted Patents = 13

% Patents Active = 84.6

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 56(Granted Patents)

Location History:

Youkaichi, JP (1998 - 1999)
Shiga, JP (1998 - 2000)
Yokaichi, JP (2005)
Higashiomi, JP (2006 - 2010)

Company Filing History:

12 out of 13,796

Murata Manufacturing Co., Ltd.

patents

1 out of 132

Murata Mfg. Co., Ltd.

patents

Years Active: 1998-2010

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7649438 - Positive temperature coefficient thermistor device (2010-01-19),

2. 7605352 - Method for sorting positive temperature coefficient (PTC) elements (2009-10-20),

3. 7550950 - Battery pack and protection circuit including thermistor thermally connected to switching element (2009-06-23),

4. 7391185 - Battery pack protection circuit with plural protective means, and battery pack including the protection circuit (2008-06-24),

5. 7005827 - Starting circuit for single-phase induction motor (2006-02-28),

6. 6963477 - Overheat protection circuit (2005-11-08),

7. 6147330 - PTC thermistor elements and heating devices incorporating same (2000-11-14),

8. 5963423 - Surface mountable electronic devices (1999-10-05),

9. 5923520 - Demagnetizing circuit and current limiting device (1999-07-13),

10. 5870269 - Demagnetizing circuit (1999-02-09),

11. 5831508 - Component for a demagnetization circuit (1998-11-03),

12. 5825604 - Demagnetization circuit (1998-10-20),

13. 5715130 - Demagnetization circuit and components therefor (1998-02-03),

Title: Yutaka Ikeda: Innovator in Thermistor Technology

Introduction

Yutaka Ikeda is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of thermistor technology, holding a total of 13 patents. His innovative designs and methods have advanced the functionality and efficiency of positive temperature coefficient (PTC) devices.

Latest Patents

One of Ikeda's latest patents is a positive temperature coefficient thermistor device. This device features a laminate structure that includes a lower insulating plate, a PTC thermistor element, and terminal assemblies. The laminate is strategically placed within a hollow portion of a metal body. Additionally, the device incorporates a pressure spring made from a metal plate, which is designed to maintain a constant cross-sectional shape. This spring is positioned between the top surface of the hollow portion and the terminal assembly, allowing for resilient support of the laminate without damaging the thermistor's electrodes. Another notable patent is a method for sorting PTC elements based on their resistance-temperature characteristics. This method involves applying a predetermined voltage to each PTC element and sorting them according to the time it takes for the current to reach a specific value.

Career Highlights

Throughout his career, Yutaka Ikeda has worked with notable companies, including Murata Manufacturing Co., Ltd. and Murata Mfg. Co., Ltd. His work has been instrumental in developing advanced thermistor technologies that are widely used in various applications.

Collaborations

Ikeda has collaborated with several talented individuals in his field, including Kazuto Miyagawa and Yuichi Takaoka. These collaborations have contributed to the success of his innovative projects and patents.

Conclusion

Yutaka Ikeda's contributions to thermistor technology have established him as a key figure in the field. His innovative patents and collaborative efforts continue to influence advancements in electronic components.

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]