Growing community of inventors

Roseville, MN, United States of America

Timothy J Callaghan

Average Co-Inventor Count = 3.15

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 303

Timothy J CallaghanSteven C Albers (10 patents)Timothy J CallaghanBruce A Seiber (4 patents)Timothy J CallaghanJoseph E Killpatrick (3 patents)Timothy J CallaghanRodney H Thorland (3 patents)Timothy J CallaghanAndrew J Karpinski, Jr (2 patents)Timothy J CallaghanSteven P Ecklund (2 patents)Timothy J CallaghanRobert W Derry (2 patents)Timothy J CallaghanStephen Frederic Yates (1 patent)Timothy J CallaghanNancy E Iwamoto (1 patent)Timothy J CallaghanWerner H Egli (1 patent)Timothy J CallaghanAlan Bruce Touchberry (1 patent)Timothy J CallaghanTheodore J Podgorski (1 patent)Timothy J CallaghanChristina Marie Schober (1 patent)Timothy J CallaghanSteven J Sanders (1 patent)Timothy J CallaghanWah L Lim (1 patent)Timothy J CallaghanStephen Matthew Baker (1 patent)Timothy J CallaghanRobert M Kay (1 patent)Timothy J CallaghanLloyd W Priddy (1 patent)Timothy J CallaghanAustin Taranta (1 patent)Timothy J CallaghanKara L Warrensford (1 patent)Timothy J CallaghanJason C Grooms (1 patent)Timothy J CallaghanStephen P Callaghan (1 patent)Timothy J CallaghanTheodore W Broberg (1 patent)Timothy J CallaghanLeroy O Thielman (1 patent)Timothy J CallaghanHarry A Gustafson (1 patent)Timothy J CallaghanLisa P Koland (1 patent)Timothy J CallaghanPaul O Rock (1 patent)Timothy J CallaghanRobert A Pajak (1 patent)Timothy J CallaghanDavid O Fellows (1 patent)Timothy J CallaghanTheodore A Toth (1 patent)Timothy J CallaghanRonald W Shovan (1 patent)Timothy J CallaghanLawrence B Ehlert (1 patent)Timothy J CallaghanYing Tan (1 patent)Timothy J CallaghanWilliam L Rasmussen (1 patent)Timothy J CallaghanTimothy J Callaghan (21 patents)Steven C AlbersSteven C Albers (14 patents)Bruce A SeiberBruce A Seiber (8 patents)Joseph E KillpatrickJoseph E Killpatrick (28 patents)Rodney H ThorlandRodney H Thorland (20 patents)Andrew J Karpinski, JrAndrew J Karpinski, Jr (12 patents)Steven P EcklundSteven P Ecklund (8 patents)Robert W DerryRobert W Derry (4 patents)Stephen Frederic YatesStephen Frederic Yates (72 patents)Nancy E IwamotoNancy E Iwamoto (28 patents)Werner H EgliWerner H Egli (21 patents)Alan Bruce TouchberryAlan Bruce Touchberry (20 patents)Theodore J PodgorskiTheodore J Podgorski (18 patents)Christina Marie SchoberChristina Marie Schober (17 patents)Steven J SandersSteven J Sanders (14 patents)Wah L LimWah L Lim (8 patents)Stephen Matthew BakerStephen Matthew Baker (7 patents)Robert M KayRobert M Kay (6 patents)Lloyd W PriddyLloyd W Priddy (6 patents)Austin TarantaAustin Taranta (6 patents)Kara L WarrensfordKara L Warrensford (6 patents)Jason C GroomsJason C Grooms (5 patents)Stephen P CallaghanStephen P Callaghan (4 patents)Theodore W BrobergTheodore W Broberg (4 patents)Leroy O ThielmanLeroy O Thielman (4 patents)Harry A GustafsonHarry A Gustafson (3 patents)Lisa P KolandLisa P Koland (3 patents)Paul O RockPaul O Rock (3 patents)Robert A PajakRobert A Pajak (3 patents)David O FellowsDavid O Fellows (2 patents)Theodore A TothTheodore A Toth (2 patents)Ronald W ShovanRonald W Shovan (2 patents)Lawrence B EhlertLawrence B Ehlert (1 patent)Ying TanYing Tan (1 patent)William L RasmussenWilliam L Rasmussen (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Honeywell G.m.b.h. (14 from 3,645 patents)

2. Honeywell International Inc. (6 from 15,608 patents)

3. Other (1 from 832,843 patents)


21 patents:

1. 10095057 - Treatment and/or stabilizing gases in an optical gyro based on an inorganic waveguide

2. 8781778 - Systems and methods for thermal gradient compensation for ring laser gyroscopes

3. 7916302 - Gyroscope mode shift detection and scale factor compensation

4. 6853667 - Electrode design to extend sputter life of a ring laser gyroscope

5. 6714580 - Current control biasing to protect electrode seals

6. 6704111 - High temperature electrode seal in a ring laser gyro

7. 6259528 - Extending RLG lifetime by maintaining low level oxygen impurity background

8. 6108358 - Apparatus for minimizing the effects of laser intensity reduction at

9. 6067160 - Enchancing path length resets in a ring laser gyro

10. 5926274 - Very low expansion radiation hardened transmission medium

11. 5867269 - RLG mirror conditioning and cathode oxidation process

12. 5818591 - Tailoring the RLG mirror lifetime by changing the mirror to plasma

13. 5801377 - Reducing dither induced errors from path length control resets in a ring

14. 5663792 - Transverse mode selected operation for a ring laser

15. 5434670 - Laser gyro screening method for predicting angular random walk

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12/26/2025
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