Keiichi Mashino

This inventor holds 46 USPTO granted patents and 2 EPO patents, primarily in Electric Power Conversion. Top assignees: Hitachi, Ltd., Hitachi Automotive Engineering Co., Ltd., Hitachi Car Engineering Co., Ltd.. Active years: 1986-2009.

USPTO Granted Patents = 46

% Patents Active = 78.3

EPO Patents = 2

Average Co-Inventor Count = 3.3

ph-index = 18

Forward Citations = 807(Granted Patents)

Location History:

Katsuta, JP (1986 - 1996)
Hitachiota, JP (1996)
Chiyoda-ku, JP (2006 - 2008)
Hitachinaka, JP (1998 - 2009)

Company Filing History:

Hitachi Automotive Engineering Co., Ltd.

patents

5 out of 248

Hitachi Car Engineering Co., Ltd.

patents

4. 4 out of 13,420

Nissan Motor Company Limited

patents

5. 2 out of 11

Hitachi Automotive Eng. Co., Ltd.

patents

6. 1 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 1986-2009

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Areas of Expertise:

Electric Power Conversion

Vehicle Electric Systems

Semiconductor Modules

Power Generation

Dynamotor Control

Electric Generating Systems

Voltage Regulators

Rotary Electric Machines

Charging Generators

Battery Charging Control

Multi-Phase AC Machines

Vibration Reduction

46 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7508068 - Semiconductor module and power conversion device (2009-03-24),

2. 7471004 - Driving/electric-power generating system for vehicle (2008-12-30),

3. 7453240 - Generating apparatus and motor control apparatus (2008-11-18),

4. 7374000 - Electric generating system for automobiles and its control method (2008-05-20),

5. 7224079 - Driving/electric-power generating system for vehicle (2007-05-29),

6. 7208918 - Vehicle rotating electric machine (2007-04-24),

7. 7193317 - Semiconductor module and power conversion device (2007-03-20),

8. 7075201 - Multi-phase alternating-current rotational electric machine (2006-07-11),

9. 7044255 - Electric generating system for automobiles and its control method (2006-05-16),

10. 6965173 - Electric generating system for automobiles and its control method (2005-11-15),

11. 6943445 - Semiconductor device having bridge-connected wiring structure (2005-09-13),

12. 6938713 - Dynamotor of hybrid vehicle, and method of control thereof (2005-09-06),

13. 6873045 - Semiconductor module and power conversion device (2005-03-29),

14. 6843335 - Power conversion apparatus and mobile object incorporating thereof (2005-01-18),

15. 6812610 - Rotary electric machine, linear motor and stator thereof (2004-11-02),

Title: Keiichi Mashino - Innovative Inventor from Hitachinaka

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

Latest Patents: Keiichi Mashino holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Keiichi Mashino has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Keiichi Mashino has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Keiichi Mashino's passion for innovation and his relentless pursuit of technological advancement make him a true pioneer in the world of inventions, inspiring the next generation of inventors to dream big and create a better future for all.