Kiyoshi Sakamoto

This inventor holds 24 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 8 EPO patents, primarily in Wind Power Generation. Top assignees: Hitachi, Ltd., Hitachi Industrial Equipment Systems Co., Ltd., Hitachi Car Engineering Co., Ltd.. Active years: 1988-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Sakamoto. Retrieved from https://idiyas.com/inventor/kiyoshi-sakamoto

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

Calculating rank

USPTO Granted Patents = 24 (Patent Applications = 2)

% Patents Active = 62.5

CIPO Patents = 1

EPO Patents = 8 (Patent Applications = 10)

Average Co-Inventor Count = 4.3

ph-index = 12

Forward Citations = 530(Granted Patents)

Location History:

Chiyoda-ku, JP (2007)
Hitachi, JP (1988 - 2008)
Hitachinaka, JP (2010 - 2015)
Tokyo, JP (2004 - 2016)

Company Filing History:

Hitachi Industrial Equipment Systems Co., Ltd.

patents

2 out of 248

Hitachi Car Engineering Co., Ltd.

patents

4. 1 out of 8

Hitachi Home and Life Solutions, Inc.

patents

5. 1 out of 193

Tokyo Gas Company Limited

patents

where one patent can have more than one assignee

Years Active: 1988-2016

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Areas of Expertise:

Wind Turbine Generator

Power Conversion Device

Permanent Magnet Motor

AC Motor Control

Synchronous Motor Drive

Vector Controller

Sensorless Control

Driving System

Power Inverter

Motor Control Apparatus

Wind Power Device

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9458736 - Wind turbine generator system (2016-10-04),

2. 9231441 - Wind power generation system, device using wind power generation system, and method for operating same (2016-01-05),

3. 9203334 - Wind power generator system, and control method for the same (2015-12-01),

4. 8541971 - Driving system of permanent magnet synchronous motor (2013-09-24),

5. 8305020 - Electric power conversion device, compressor motor with the device, and air conditioner with the motor (2012-11-06),

6. 8115436 - Motor control apparatus and motor system (2012-02-14),

7. 8044618 - Control apparatus for AC motor (2011-10-25),

8. 7919941 - Semiconductor power converter (2011-04-05),

9. 7821223 - Vector controller for a permanent magnet motor and inverter module (2010-10-26),

10. 7808202 - Beat-less controller for permanent magnet motor (2010-10-05),

11. 7388341 - Control system for permanent magnet synchronous motor and module (2008-06-17),

12. 7342378 - System and method for driving synchronous motor (2008-03-11),

13. 7294988 - Synchronous motor drive unit and a driving method thereof (2007-11-13),

14. 7276876 - Synchronous motor driving apparatus (2007-10-02),

15. 7064514 - Motor drive system for AC motors (2006-06-20),

Title: The Innovative Journey of Inventor Kiyoshi Sakamoto

Introduction: Kiyoshi Sakamoto is a renowned inventor hailing from Hitachinaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Sakamoto's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, smart home technology, and renewable energy solutions.

Career Highlights: With over two decades of experience in research and development, Sakamoto has worked with leading tech companies in Japan, spearheading projects that have revolutionized various industries.

Collaborations: Throughout his career, Sakamoto has collaborated with top engineers, scientists, and researchers from prestigious universities and research institutions worldwide, fostering a culture of innovation and knowledge sharing.

Conclusion: Kiyoshi Sakamoto's dedication to pushing the boundaries of technology and his passion for creating solutions that improve lives make him a true pioneer in the world of innovation.

Profile summary based on public USPTO records.