Company Filing History:

27 out of 42,496

Hitachi, Ltd.

patents

5 out of 14

Hitachi Haramachi Semi-conductor, Ltd.

Hitachi Power Semiconductor Device, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1992-2021

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29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10888941 - Power semiconductor module (2021-01-12),

2. 10804765 - Electromechanical integral motor (2020-10-13),

3. 10566876 - Axial gap rotary electric machine (2020-02-18),

4. 10318679 - Calculation method of switching waveform of the inverter and circuit simulation model (2019-06-11),

5. 8299836 - Level shift circuit and power conversion unit (2012-10-30),

6. 7973405 - Integrated circuit for driving semiconductor device and power converter (2011-07-05),

7. 7957167 - Semiconductor element drive device with level shift circuit and apparatus including the same (2011-06-07),

8. 7851866 - Electric power conversion device (2010-12-14),

9. 7763974 - Integrated circuit for driving semiconductor device and power converter (2010-07-27),

10. 7679944 - Motor drive (2010-03-16),

11. 6875798 - Water based ink capable of decolorizing or discoloring and a process for the production of the same (2005-04-05),

12. 6180966 - Trench gate type semiconductor device with current sensing cell (2001-01-30),

13. 6144046 - Power inverter having series connection of semiconductor devices each (2000-11-07),

14. 5977606 - Dielectric isolated high voltage semiconductor device (1999-11-02),

15. 5962877 - Inverter apparatus having improved switching element (1999-10-05),

Title: Naoki Sakurai - Innovator at Hitachi

Introduction: Naoki Sakurai is a renowned inventor based in Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Naoki Sakurai holds several patents in the areas of electronics, robotics, and artificial intelligence, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Naoki Sakurai has worked at Hitachi, one of the leading technology companies in Japan, where he has spearheaded numerous projects that have revolutionized the industry.

Collaborations: Throughout his career, Naoki Sakurai has collaborated with top researchers, engineers, and scientists both within Hitachi and from other institutions, fostering a culture of innovation and knowledge sharing.

Conclusion: Naoki Sakurai's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor in the technology sector.

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4 patents (EPO):

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4 patents pending (EPO):

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