Pasi Raassina

This inventor holds 18 USPTO granted patents and 5 published patent applications, plus 3 CIPO patents and 13 EPO patents. Top assignee: Kone Corporation. Active years: 2017-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Pasi Raassina. Retrieved from https://idiyas.com/inventor/pasi-raassina

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

USPTO Granted Patents = 18 (Patent Applications = 5)

% Patents Active = 72.2

CIPO Patents = 3

EPO Patents = 13 (Patent Applications = 29)

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 20(Granted Patents)

Location History:

Numminen, FI (2017 - 2019)
Helsinki, FI (2019 - 2023)

Company Filing History:

18 out of 1,089

Kone Corporation

patents

Years Active: 2017-2026

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12692128 - Multicar elevator system (2026-07-28),

2. 12497264 - Method for operating an elevator and elevator (2025-12-16),

3. 11661313 - Drive device having safety circuits using logic states for an elevator (2023-05-30),

4. 11383957 - Method, elevator control unit and elevator for moving an elevator car to landing floor in case of event related to main electrical power supply of the elevator (2022-07-12),

5. 11279595 - Door operating arrangement in an elevator (2022-03-22),

6. 11274019 - Wireless power transfer arrangement for an elevator car and an elevator (2022-03-15),

7. 11008197 - Method for performing a manual drive in an elevator after mains power-off (2021-05-18),

8. 10855071 - Motor drive (2020-12-01),

9. 10689227 - Electric linear motor (2020-06-23),

10. 10574166 - Electric linear motor for an elevator and method for controlling thereof (2020-02-25),

11. 10202257 - Method and system for increasing the availability of an elevator standing unused at a landing (2019-02-12),

12. 10167172 - Passenger conveyor with deep sleep mode (2019-01-01),

13. 9873591 - Brake controller, elevator system and a method for performing an emergency stop with an elevator hoisting machine driven with a frequency converter (2018-01-23),

14. 9802790 - Drive device of an elevator with safety system (2017-10-31),

15. 9776829 - Elevator safety arrangement with drive prevention logic (2017-10-03),

Title: Pasi Raassina: Innovator in Elevator Technology

Introduction

Pasi Raassina is a prominent inventor based in Helsinki, Finland. He has made significant contributions to the field of elevator technology, holding a total of 18 patents. His innovative designs focus on enhancing the safety and efficiency of elevator systems.

Latest Patents

One of Raassina's latest patents is a drive device having safety circuits using logic states for an elevator. This invention includes a frequency converter connected to a public AC supply network and an elevator motor. The frequency converter features a network rectifier, a motor bridge, and a DC intermediate circuit. The motor bridge is controlled by a circuit that regulates motor speed through control pulses. Additionally, the drive device incorporates drive prevention circuits that ensure safety by interrupting the connection between the control circuit and the motor bridge based on safety signal statuses.

Another notable patent involves a method and elevator control unit designed for moving an elevator car to a landing floor during events related to the main electrical power supply. This method includes charging energy from the main power supply into an external electrical energy storage before detecting any predefined events. It also controls the electric motor to decelerate the elevator car while producing regenerative electrical energy, ensuring the elevator brake remains deactivated.

Career Highlights

Pasi Raassina is currently employed at Kone Corporation, a leading company in the elevator and escalator industry. His work focuses on developing advanced technologies that improve the safety and functionality of elevator systems.

Collaborations

Throughout his career, Raassina has collaborated with notable colleagues, including Ari Kattainen and Arto Nakari. These partnerships have contributed to the successful development of innovative elevator solutions.

Conclusion

Pasi Raassina's contributions to elevator technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the safety and efficiency of elevator systems worldwide.

Profile summary based on public USPTO records.