Hitachi, Japan

Ryoso Masaki

This inventor holds 84 USPTO granted patents and 2 published patent applications, primarily in Electric Motors (CPC class 318139). Top assignees: Hitachi, Ltd., Hitachi Industrial Equipment Systems Co., Ltd., Hitachi Powdered Metals Co., Ltd.. Active years: 1991-2019.

USPTO Granted Patents = 84 

% Patents Active = 72.6

Average Co-Inventor Count = 3.8

ph-index = 26

Forward Citations = 2,063(Granted Patents)

Forward Citations (Not Self Cited) = 2,046(Dec 10, 2025)


Inventors with similar research interests:


    Location History:

    • Hitachi-shi, Ibaraki JP (1995 - 2001)
    • Hitachi, JP (1991 - 2011)
    • Narashino, JP (2011 - 2015)
    • Tokyo, JP (2005 - 2019)

    Company Filing History:


    Years Active: 1991-2019

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    Areas of Expertise:
    Axial Gap Motor
    Electric Rotating Machine
    Torque Sensor
    Angle Sensor
    Motor Controller
    Hybrid Vehicle
    Power Controller
    Dynamotor
    84 patents (USPTO):Explore Patents

    Title: Unveiling the Innovative Mind of Inventor Ryoso Masaki from Hitachi

    Introduction:

    Ryoso Masaki, a prolific inventor based in Hitachi, Japan, has made significant contributions to the field of robotics and position detection technology. With an impressive portfolio of 84 patents under his name, Masaki has established himself as a key figure in the innovation landscape.

    Latest Patents:

    1. Mobile body and position detection device: Masaki's groundbreaking invention involves a mobile apparatus equipped with a position detection device and an autonomous mobile body. The system utilizes route data, distance sensors, map data, position identification means, and relative route calculation to enable autonomous travel of the mobile body based on precise position and angle calculations.

    2. Position identification device and mobile robot provided with same: Another notable patent by Masaki focuses on position identification means for estimating the position of a mobile robot. This invention incorporates laser distance sensors, object recognition algorithms, travel area storage, specified area storage, and object determination means to enhance the robot's navigation and obstacle avoidance capabilities.

    Career Highlights:

    Throughout his career, Ryoso Masaki has made significant contributions to renowned companies such as Hitachi, Ltd. and Hitachi Industrial Equipment Systems Co., Ltd. His innovative solutions have not only propelled technological advancements within the organizations but have also garnered international recognition for their practical applications.

    Collaborations:

    Masaki has had the privilege of collaborating with talented individuals in his field, including coworkers Satoru Kaneko and Sanshiro Obara. Their collective expertise and shared passion for innovation have undoubtedly influenced the success of projects and inventions led by Masaki.

    Conclusion:

    In conclusion, Ryoso Masaki stands out as a visionary inventor whose dedication to technological advancement has resulted in a diverse portfolio of patents that continue to shape the industry. His commitment to pushing the boundaries of robotics and position detection underscores his position as a trailblazer in the world of innovation.

    Profile summary based on public USPTO records.
    Please report any incorrect information to [email protected]
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