For the Inventor, By the Inventor

Enter inventor name

Shigemi Iwata

This inventor holds 15 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1982-1995.

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 145(Granted Patents)

Location History:

Aichi, JP (1983 - 1987)
Inazawa, JP (1982 - 1995)

Company Filing History:

15 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Years Active: 1982-1995

Loading Chart...

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5402863 - Apparatus to automatically adjust spring tension of an elevator brake to (1995-04-04),

2. 5137118 - Apparatus for controlling the opening and closing of electric doors (1992-08-11),

3. 5086450 - Emergency intercommunication system for elevator (1992-02-04),

4. 5085294 - Elevator control apparatus (1992-02-04),

5. 5050709 - Elevator control apparatus (1991-09-24),

6. 5012899 - Apparatus for controlling an elevator (1991-05-07),

7. 4984660 - Apparatus for controlling an elevator (1991-01-15),

8. 4944369 - Safety device for elevator (1990-07-31),

9. 4832159 - Elevator control apparatus (1989-05-23),

10. 4817761 - Control apparatus for elevator (1989-04-04),

11. 4742892 - Control apparatus for elevator (1988-05-10),

12. 4716517 - Apparatus for controlling an elevator (1987-12-29),

13. 4691807 - Elevator control apparatus (1987-09-08),

14. 4389631 - Elevator position detecting device (1983-06-21),

15. 4356896 - Elevator terminal deceleration system (1982-11-02),

Profile summary based on public USPTO records.

Please report any incorrect information to [email protected]

Loading…