% Expired Patents = 85.7

Forward Citations = 47

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10 inventors (with patents filed for the assignee):

Guttorm Rudi (4 out of 39 patents)

Jean-Pierre Nozieres (1 out of 15 patents)

Ketil Qvam Andersen (1 out of 1 patent)

4. Jørn Raastad (1 out of 2 patents)

5. Ladislav Rubas (1 out of 6 patents)

6. Sebastien Ferrand (1 out of 1 patent)

7. Jean-Christophe Toussaint (1 out of 1 patent)

8. Yannick Maral (1 out of 1 patent)

9. Jørn Raastad (1 out of 1 patent)

10. Joerne Magne Raastad (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7840872 - N-dimensional iterative ECC method and apparatus with combined erasure—error information and re-read (2010-11-23),

2. 7405907 - Adjacent magnetoresistive read head and method for obtaining position error signal (2008-07-29),

3. 7227716 - Two tape, four reel cartridge and drive for wide magnetic recording tape (2007-06-05),

4. 6788492 - Wide tape drive for a wide tape holding frame (2004-09-07),

5. 6771567 - Dual shield vertical magneto-optical read head (2004-08-03),

6. 6545840 - Tape cartridge with expandable housing (2003-04-08),

7. 6522500 - Tape cartridge for extremely wide tape having an access opening allowing extraction of tape, and tape drive for use therewith (2003-02-18),

Company Overview

O-mass Inc. is a leading provider of high-quality mass spectrometry solutions for the pharmaceutical, biotechnology, and academic research industries. Our innovative products and services enable scientists to analyze and characterize molecules with precision and accuracy. With a commitment to excellence and customer satisfaction, O-mass continues to push the boundaries of scientific discovery.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#1 in Olso

#39,929 in Norway

Olso, Norway

O-Mass as

Forward Citations = 47

10 inventors:

Guttorm Rudi (4 out of 39 patents)

Jean-Pierre Nozieres (1 out of 15 patents)

Ketil Qvam Andersen (1 out of 1 patent)

4. Jørn Raastad (1 out of 2 patents)

5. Ladislav Rubas (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: O-Mass as. Retrieved from https://idiyas.com/company/o-mass-as

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

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]