IDiyas

For the Inventor, By the Inventor

Katsuta, Japan

Masayuki Shigeta

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.3

ph-index = 11

Forward Citations = 199(Granted Patents)


Location History:

  • Katsuta, JA (1976 - 1977)
  • Katsuta, JP (1978 - 1994)

Company Filing History:

goldMedal13 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 1 
 
Hitachi Elevayor Engineering and Service Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1976-1994

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13 patents (USPTO):Explore Patents
1. 5323878 - Braking apparatus for elevator cage (1994-06-28),
2. 5265701 - Elevator with means for controlling upward and downward movement of cage (1993-11-30),
3. 5255759 - Apparatus for preventing vibration of elevator tail-line (1993-10-26),
4. 5244060 - Elevator apparatus (1993-09-14),
5. 5193651 - Elevator apparatus (1993-03-16),
6. 5090515 - Passenger transport installation, vehicle for use therein, and method of (1992-02-25),
7. 4249641 - Speed control system for hydraulic elevator (1981-02-10),
8. 4117908 - Elevator having rope guide means (1978-10-03),
9. 4113064 - Elevator car mounting (1978-09-12),
10. 4038848 - Method and apparatus for controlling eccentricity of rolls in rolling (1977-08-02),
11. 4012653 - Low noise alternating current dynamoelectro machine (1977-03-15),
12. 3991856 - Elevator cable oscillation-absorbing device (1976-11-16),
13. 3945468 - Sound preventive device for use in elevator (1976-03-23),

Title: Masayuki Shigeta: Innovator in Elevator Technology

Introduction

Masayuki Shigeta is a prominent inventor based in Katsuta, Japan. He has made significant contributions to the field of elevator technology, holding a total of 13 patents. His innovative designs focus on enhancing the safety and efficiency of elevator systems.

Latest Patents

Shigeta's latest patents include a braking apparatus for elevator cages and a control system for managing the upward and downward movement of the cage. The braking apparatus features a first brake for the main sheave and a second brake for the deflector sheave. These brakes are designed to apply the appropriate braking force based on the load and speed of the cage. The elevator control system utilizes a shoe that engages with a drum or disk of a brake, optimizing the braking force according to the inertial mass and speed of the cage. This system ensures that the elevator can be held accurately in its stop position and can respond effectively in emergencies.

Career Highlights

Throughout his career, Masayuki Shigeta has worked with notable companies such as Hitachi, Ltd. and Hitachi Elevator Engineering and Service Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in elevator technology.

Collaborations

Shigeta has collaborated with talented individuals in the industry, including Toshihiko Nara and Tadashi Shibata. These partnerships have contributed to the advancement of his inventions and the overall improvement of elevator systems.

Conclusion

Masayuki Shigeta's work in elevator technology showcases his dedication to innovation and safety. His patents reflect a commitment to enhancing the functionality and reliability of elevators, making him a significant figure in this field.

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