logo

For the Inventor, By the Inventor

Mito, Japan

Hiroshi Hayashida

USPTO Granted Patents = 14

Average Co-Inventor Count = 4.1

ph-index = 10

Forward Citations = 251(Granted Patents)


Location History:

  • Ibaraki, JA (1976)
  • Tokaimura, JP (1978)
  • Mito, JP (1983 - 1991)
  • Kure, JP (1991)

Company Filing History:

goldMedal14 out of 42,508 
 
Hitachi, Ltd.
 patents

Years Active: 1976-1991

Loading Chart...
14 patents (USPTO):Explore Patents
1. 4983893 - Actuator with stepping motion function (1991-01-08),
2. 4983875 - Actuator (1991-01-08),
3. 4890024 - Low-speed high-torque motor (1989-12-26),
4. 4638225 - Method and apparatus therefor in motor speed control (1987-01-20),
5. 4628259 - Magneto resistive sensor for detecting movement of a rotating body (1986-12-09),
6. 4599561 - Device for detecting the relative and absolute position of a moving body (1986-07-08),
7. 4586152 - Method and apparatus for counting an infinite length with a counter of (1986-04-29),
8. 4580084 - Method and system for controlling speed of electric motor (1986-04-01),
9. 4558265 - Method and apparatus for position control of an electric motor (1985-12-10),
10. 4473786 - Method for controlling angular position and apparatus therefor (1984-09-25),
11. 4418372 - Magnetic rotary encoder (1983-11-29),
12. 4403187 - Magnetic head for sensing the position of a moving member (1983-09-06),
13. 4099108 - Variable speed control apparatus for induction motor (1978-07-04),
14. 3949283 - Control system for brushless motor (1976-04-06),

Title: Innovations of Hiroshi Hayashida

Introduction

Hiroshi Hayashida is a prominent inventor based in Mito, Japan. He has made significant contributions to the field of actuators, holding a total of 14 patents. His work focuses on enhancing the functionality and efficiency of robotic and video camera systems.

Latest Patents

One of his latest patents is an actuator with a stepping motion function. This actuator features high stopping accuracy and resolution, comprising a fixed portion and a movable portion that can move relative to each other. It includes a coil that imparts a moving force to the movable portion, along with a magnetic recording medium for recording magnetic signals. A plurality of magnetic sensors detects these signals, allowing for precise control of the actuator's movements.

Another notable patent is an actuator designed for use in joint devices for driving robot arms or in subject follow-up devices in video cameras. This actuator is capable of two or more degrees of freedom and utilizes piezoelectric motor elements to drive a movable part directly. It boasts a simplified structure, is small and lightweight, and provides powerful driving capabilities with a wide range of mobility.

Career Highlights

Hiroshi Hayashida is currently employed at Hitachi, Ltd., where he continues to innovate and develop advanced actuator technologies. His work has significantly impacted the robotics and imaging industries, making devices more efficient and effective.

Collaborations

Throughout his career, Hayashida has collaborated with notable colleagues, including Kunio Miyashita and Hiroshi Kimura. These collaborations have fostered a creative environment that has led to groundbreaking advancements in actuator technology.

Conclusion

Hiroshi Hayashida's contributions to actuator technology exemplify his innovative spirit and dedication to advancing engineering solutions. His patents reflect a commitment to improving the functionality of robotic and imaging systems, making him a key figure in his field.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…