Marja-Liisa Siikonen

This inventor holds 41 USPTO granted patents and 3 published patent applications, plus 3 CIPO patents and 29 EPO patents, primarily in Elevator Systems. Top assignees: Kone Corporation, Kone Elevator Gmbh, Kone Oy. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marja-Liisa Siikonen. Retrieved from https://idiyas.com/inventor/marja-liisa-siikonen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 41 (Patent Applications = 3)

% Patents Active = 85.4

CIPO Patents = 3

EPO Patents = 29 (Patent Applications = 26)

Average Co-Inventor Count = 2.3

ph-index = 13

Forward Citations = 309(Granted Patents)

Company Filing History:

4. 1 out of 834,601

Other

patents

Years Active: 1993-2026

Loading Chart...

Areas of Expertise:

Elevator Control

Call Allocation

Passenger Traffic

Evacuation Systems

Traffic Monitoring

Routing Optimization

Multi-Car System

Peak Traffic Detection

Destination Calls

Passenger Counting

Double-Deck Elevators

Load Management

41 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12654983 - Control of an elevator system (2026-06-16),

2. 12441581 - Control device for passenger traffic system (2025-10-14),

3. 11884508 - Method for allocating elevator calls and elevator system (2024-01-30),

4. 11542117 - Managing elevator cars in a multi-car elevator shaft system (2023-01-03),

5. 11414296 - Managing the number of active elevator cars in a multi-car elevator shaft system (2022-08-16),

6. 11365087 - Forecasting elevator passenger traffic (2022-06-21),

7. 11299369 - Method for the call allocation in an elevator group (2022-04-12),

8. 11214463 - Peak traffic detection according to passenger traffic intensity (2022-01-04),

9. 11208295 - Passenger counting arrangement (2021-12-28),

10. 11009846 - Evacuation controller (2021-05-18),

11. 10526165 - Passenger number based call allocation in an elevator system (2020-01-07),

12. 10227207 - Routing optimization in a multi-deck elevator (2019-03-12),

13. 10183836 - Allocating destination calls using genetic algorithm employing chromosomes (2019-01-22),

14. 10160618 - Elevator evacuation system configured to account for prioritized evacuation (2018-12-25),

15. 10118800 - Method and arrangement for closing doors of an elevator of a multi-car elevator shaft system (2018-11-06),

Title: Innovations of Marja-Liisa Siikonen in Elevator Technology

Introduction

Marja-Liisa Siikonen is an accomplished inventor based in Helsinki, Finland, with an impressive portfolio of 39 patents to her name. Her work primarily focuses on innovative solutions in elevator technology, aiming to enhance efficiency and user experience in building transport systems.

Latest Patents

Siikonen's recent patents showcase her expertise in optimizing elevator systems. One notable invention is a "Method for Allocating Elevator Calls and Elevator System." This invention involves a sophisticated method for managing elevator calls, where passenger IDs are inputted into an I/O device. The system checks for any pending calls associated with the same passenger ID, ensuring streamlined communication and reducing waiting times.

Another significant patent is on "Managing Elevator Cars in a Multi-Car Elevator Shaft System." This method involves determining the optimal number of elevator cars needed at different times throughout the day and commanding cars to storage or back to service accordingly. This innovation not only improves efficiency but also ensures that standby cars are ready when needed.

Career Highlights

Marja-Liisa Siikonen has made substantial contributions to the elevator industry, working with prominent companies such as Kone Corporation and Kone Elevator GmbH. Her work has significantly influenced the landscape of modern elevator systems, placing her at the forefront of innovation in this field.

Collaborations

Throughout her career, Siikonen has collaborated with talented colleagues, including Janne Sorsa and Juha-Matti Kuusinen. These partnerships have facilitated the exchange of ideas and advancements in technology, further enhancing the development of effective elevator systems.

Conclusion

Marja-Liisa Siikonen’s work in elevator technology exemplifies how innovative ideas can lead to practical solutions that improve everyday life. Her 39 patents highlight her dedication and contribution to the field, ensuring that her inventions continue to shape the future of vertical transportation systems.

Profile summary based on public USPTO records.