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For the Inventor, By the Inventor

Vallentuna, Sweden

Lasse O Hjern

This inventor holds 1 USPTO granted patent. Top assignees: F.j. Burrus & Cie, Svenska Tobaks Ab. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lasse O Hjern. Retrieved from https://idiyas.com/inventor/lasse-o-hjern

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

Calculating rank
USPTO Granted Patents = 1

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal1 out of 4 
 
F.j. Burrus & Cie
 patents
silverMedal1 out of 5 
 
Svenska Tobaks Ab
 patents
where one patent can have more than one assignee

Years Active: 1977

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1 patent (USPTO):Explore Patents
1. 4033362 - Filter for tobacco smoke (1977-07-05),

Title: Lasse O Hjern: Innovator in Tobacco Smoke Filtration

Introduction

Lasse O Hjern is a notable inventor based in Vallentuna, Sweden. He is recognized for his innovative contributions to the field of tobacco smoke filtration. His work has led to the development of a unique filter that enhances the smoking experience while addressing health concerns associated with tobacco use.

Latest Patents

Lasse O Hjern holds 1 patent for his invention titled "Filter for Tobacco Smoke." This patent describes a new type of filter that features a diffusion portion. In this design, the smoke stream is separated from the outer air by a membrane that is permeable to low molecular smoke constituents. This innovative approach aims to improve the quality of tobacco smoke filtration.

Career Highlights

Throughout his career, Lasse O Hjern has worked with several prominent companies in the tobacco industry. Notably, he has been associated with Svenska Tobaks AB and F.J. Burrus & Cie. His experience in these organizations has contributed to his expertise in tobacco-related innovations.

Collaborations

Lasse O Hjern has collaborated with several professionals in his field. Among his notable coworkers are Sven-Olof Almqvist and Curt R Enzell. Their collective efforts have further advanced the development of tobacco smoke filtration technologies.

Conclusion

Lasse O Hjern's contributions to the field of tobacco smoke filtration demonstrate his commitment to innovation and health. His patented filter represents a significant advancement in reducing harmful constituents in tobacco smoke.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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