For the Inventor, By the Inventor

Enter inventor name

Toshihiko Nara

USPTO Granted Patents = 10

Average Co-Inventor Count = 3.8

ph-index = 8

Forward Citations = 181(Granted Patents)

Location History:

Katsuta, JA (1976)
Katsuta, JP (1978 - 1993)

Company Filing History:

10 out of 42,485

Hitachi Elevayor Engineering and Service Co., Ltd.

where one patent can have more than one assignee

Years Active: 1976-1993

Loading Chart...

10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5193651 - Elevator apparatus (1993-03-16),

2. 5154261 - Electromagnetic disc brake for elevator lifting apparatus (1992-10-13),

3. 5090515 - Passenger transport installation, vehicle for use therein, and method of (1992-02-25),

4. 5086882 - Elevator apparatus provided with guiding device used for preventing (1992-02-11),

5. 5067593 - Braking device for elevator winding machine and elevator using the (1991-11-26),

6. 4846309 - Elevator hoisting apparatus (1989-07-11),

7. 4830146 - Fluid-pressure elevator (1989-05-16),

8. 4775031 - Hydraulic elevator and control method thereof (1988-10-04),

9. 4117908 - Elevator having rope guide means (1978-10-03),

10. 3991856 - Elevator cable oscillation-absorbing device (1976-11-16),

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com

Loading…