Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 252(Granted Patents)

Location History:

Gifu, JP (2001)
Kawasaki, JP (1991 - 2015)
Kanagawa, JP (2004 - 2016)
Yokohama, JP (2005 - 2020)
Yokohama Kanagawa, JP (2021)

Company Filing History:

13 out of 52,711

Kabushiki Kaisha Toshiba

patents

10 out of 164,108

International Business Machines Corporation

Sanwa Denki Kogyo Co., Ltd.

patents

5. 3 out of 1,623

Matsushita Electric Works, Ltd.

patents

6. 2 out of 2,560

Asahi Glass Company, Limited

patents

7. 2 out of 301

Toshiba Energy Systems & Solutions Corporation

Kuroda Precision Industries Ltd.

patents

10. 1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1991-2021

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33 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 11211876 - Voltage compensation device (2021-12-28),

2. 10581246 - Voltage-fluctuation suppression device and method (2020-03-03),

3. 9571002 - Voltage adjusting apparatus (2017-02-14),

4. 9448570 - Voltage fluctuation suppressing apparatus (2016-09-20),

5. 9087118 - Information search apparatus, and information search method, and computer product (2015-07-21),

6. 8618905 - Verifying the ownership of an owner's authority in terms of product and service (2013-12-31),

7. 8463712 - Traceability verification system, method and program for the same (2013-06-11),

8. 8095535 - Updating indexing tables in a database system (2012-01-10),

9. 8055589 - Traceability verification system, method and program for the same (2011-11-08),

10. 7913093 - Method and system for providing access to information on an article to which a tag is coupled (2011-03-22),

11. 7836312 - Information acquisition enabled/disabled inspection system (2010-11-16),

12. 7657740 - Verifying the ownership of an owner's authority in terms of product and service (2010-02-02),

13. 7558786 - Method for storing text annotations with associated type information in a structured data store (2009-07-07),

14. 7539315 - Encrypted communication system, key delivery server thereof, terminal device and key sharing method (2009-05-26),

15. 7331519 - Traceability signature system, signature method and program product (2008-02-19),

Title: **Yuji Watanabe: Pioneering Innovations in Voltage Compensation and Power Stability**

Introduction

Yuji Watanabe, a prolific inventor based in Yokohama, Japan, has made significant contributions to the field of electrical engineering with a remarkable portfolio of 33 patents. His innovative inventions focus on voltage compensation and power stability, enhancing the reliability of electrical systems.

Latest Patents

Among his latest patents, Watanabe has developed a Voltage Compensation Device, which features a sophisticated controller comprising first and second coordinate transformation circuits alongside first and second arithmetic parts. This device performs rotating coordinate transformations of phase components in three-phase AC systems, calculating system voltage and generating compensation amounts to adjust voltage discrepancies. Additionally, he has created a Voltage-Fluctuation Suppression Device, which adeptly manages the interplay of active and reactive power between interconnected power grids. This technology effectively suppresses voltage fluctuations, ensuring stable energy transmission.

Career Highlights

Yuji Watanabe has had an impressive career trajectory, working for esteemed companies such as Kabushiki Kaisha Toshiba and IBM. His tenure at these organizations has equipped him with valuable experience, enabling him to drive innovation and contribute to advancements in electrical systems.

Collaborations

Throughout his career, Watanabe has collaborated with notable professionals, including Masayuki Numao and Madoka Yuriyama. These partnerships have fostered a rich exchange of ideas and innovations in his work, further enhancing the impact of his contributions to electrical engineering.

Conclusion

In conclusion, Yuji Watanabe stands out as a distinguished inventor, whose expertise in voltage compensation and power stability has played a crucial role in improving electrical systems. His numerous patents reflect a commitment to innovation and excellence, making him a significant figure in the field.

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