Hiroyuki Maehara

USPTO Granted Patents = 23 (Patent Applications = 3)

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 5)

Average Co-Inventor Count = 4.2

ph-index = 7

Forward Citations = 126(Granted Patents)

Location History:

Numazu, JP (1988 - 1989)
Hiroshima, JP (1998)
Shizuoka-ken, JP (2002)
Kanagawa-ken, JP (2004)
Chiyoda-ku, JP (2013)
Tokyo, JP (2006 - 2016)
Fuchu, JP (2014 - 2017)

Company Filing History:

15 out of 52,751

Kabushiki Kaisha Toshiba

patents

4 out of 746

Toshiba Kikai Kabushiki Kaisha

Japan Rice Millers Association

where one patent can have more than one assignee

Years Active: 1988-2017

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23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9704664 - Magnetizing inrush current suppression device (2017-07-11),

2. 9515479 - Inrush current suppression apparatus (2016-12-06),

3. 9490627 - Magnetizing inrush current suppressing device (2016-11-08),

4. 9425615 - Inrush current suppression apparatus (2016-08-23),

5. 9385525 - Magnetizing inrush current suppression device (2016-07-05),

6. 9291686 - Method of estimating the residual magnetic flux of transformer and residual magnetic flux estimation device (2016-03-22),

7. 9275793 - Current input converter (2016-03-01),

8. 9202647 - Switching controller and switching control system for circuit breaker (2015-12-01),

9. 9013852 - Breaker-phase-control switching system and circuit-breaker control unit (2015-04-21),

10. 8861163 - Protection relay (2014-10-14),

11. 8749100 - Overvoltage suppressing device (2014-06-10),

12. 8682603 - Substation instrument control system (2014-03-25),

13. 8680713 - Over-voltage suppression apparatus (2014-03-25),

14. 8385038 - Circuit breaker switching control system (2013-02-26),

15. 8342117 - Coating apparatus (2013-01-01),

Title: Hiroyuki Maehara: Innovator in Power Systems Technology

Introduction

Hiroyuki Maehara, based in Fuchu, Japan, is a renowned inventor specializing in electrical engineering with an impressive portfolio of 23 patents. His innovative contributions significantly enhance power systems technology, focusing on inrush current suppression and circuit-breaking mechanisms that are critical for the stability and efficiency of electrical systems.

Latest Patents

Among Hiroyuki's latest patents are two notable inventions: the Magnetizing Inrush Current Suppression Device and the Inrush Current Suppression Apparatus. The Magnetizing Inrush Current Suppression Device is designed to measure three-phase alternating current, detect interruptions, and optimize circuit operation by closing the circuit-breaker at an appropriate phase angle. Similarly, the Inrush Current Suppression Apparatus addresses inrush currents generated when shunt capacitors are connected to a power system. This innovation utilizes various measurement and detection units to ensure safe and efficient circuit operation.

Career Highlights

Hiroyuki Maehara has had a fruitful career, including work at notable companies such as Kabushiki Kaisha Toshiba and Toshiba Kikai Kabushiki Kaisha. His tenure at these companies has allowed him to develop and refine his expertise in power systems and circuit technology, contributing to their advancements in electrical engineering.

Collaborations

Throughout his career, Hiroyuki has collaborated with esteemed colleagues, including Minoru Saito and Tadashi Koshizuka. These partnerships have enabled a synergistic exchange of ideas and expertise, further propelling innovation within the field of electrical engineering.

Conclusion

Hiroyuki Maehara's contributions to power system technology demonstrate his commitment to innovation and excellence. With numerous patents to his name, he continues to influence the industry, helping to create safer and more efficient electrical systems. His work exemplifies the critical role inventors play in advancing technology for the benefit of society.

This text is generated by artificial intelligence and may not be accurate.