Growing community of inventors

North Andover, MA, United States of America

Norbert J Johnson

Average Co-Inventor Count = 3.25

ph-index = 22

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 = 3,154

Norbert J JohnsonChad Glerum (201 patents)Norbert J JohnsonNeil Robert Crawford (87 patents)Norbert J JohnsonDavid C Paul (155 patents)Norbert J JohnsonThomas Calloway (20 patents)Norbert J JohnsonEugene A Gregerson (18 patents)Norbert J JohnsonSanjay M Joshi (18 patents)Norbert J JohnsonRichard K Grant (17 patents)Norbert J JohnsonKevin Zhang (16 patents)Norbert J JohnsonWeston Healy (16 patents)Norbert J JohnsonYuan Cheng (15 patents)Norbert J JohnsonRobert G Stevens (13 patents)Norbert J JohnsonJeffrey Forsyth (13 patents)Norbert J JohnsonHisham Salem (13 patents)Norbert J JohnsonDavid Cleary (12 patents)Norbert J JohnsonHayden Cameron (11 patents)Norbert J JohnsonJames Cascarano (11 patents)Norbert J JohnsonTimothy Moulton (9 patents)Norbert J JohnsonAndrew Berkowitz (9 patents)Norbert J JohnsonStephen Cicchini (9 patents)Norbert J JohnsonSpiros Mantzavinos (9 patents)Norbert J JohnsonJustin Larson (8 patents)Norbert J JohnsonChris Major (7 patents)Norbert J JohnsonMir Hussain (7 patents)Norbert J JohnsonJared Alden Judson (6 patents)Norbert J JohnsonSritam Parashar Rout (6 patents)Norbert J JohnsonJeff Forsyth (6 patents)Norbert J JohnsonAlexander Krull (6 patents)Norbert J JohnsonGerd Schmieta (5 patents)Norbert J JohnsonRand Kmiec (5 patents)Norbert J JohnsonGary Pinard (5 patents)Norbert J JohnsonMichael Brauckmann (5 patents)Norbert J JohnsonOlivier Chappuis (4 patents)Norbert J JohnsonKeerthighaan Kanagasegar (4 patents)Norbert J JohnsonDana Wisniewski (4 patents)Norbert J JohnsonJames Pelletier (4 patents)Norbert J JohnsonSteven Chang (4 patents)Norbert J JohnsonMatthew Bechtel (3 patents)Norbert J JohnsonPaden Michael Troxell (3 patents)Norbert J JohnsonMichael James Bartelme (3 patents)Norbert J JohnsonIsaac Dulin (3 patents)Norbert J JohnsonRoss Morris (3 patents)Norbert J JohnsonCaelan Allen (3 patents)Norbert J JohnsonChristine M Russ (3 patents)Norbert J JohnsonRyan Decker (3 patents)Norbert J JohnsonBessam Al Jewad (3 patents)Norbert J JohnsonAdam Friedrich (2 patents)Norbert J JohnsonAndrew Charles Davison (2 patents)Norbert J JohnsonNicholas A Theodore (2 patents)Norbert J JohnsonRussell Stanton (2 patents)Norbert J JohnsonPatrick A Helm (2 patents)Norbert J JohnsonStephanie Wolfe (2 patents)Norbert J JohnsonMichael Connor (2 patents)Norbert J JohnsonPeter Govey (2 patents)Norbert J JohnsonJames Yau (2 patents)Norbert J JohnsonWes Weber (2 patents)Norbert J JohnsonDale Earle (2 patents)Norbert J JohnsonRasool Khadem (2 patents)Norbert J JohnsonSamuel Paster (2 patents)Norbert J JohnsonSteve Tracy (2 patents)Norbert J JohnsonDavid Demski (2 patents)Norbert J JohnsonKyle Van Leer (2 patents)Norbert J JohnsonEric Studley (2 patents)Norbert J JohnsonMichael Norcia (2 patents)Norbert J JohnsonCaroline Conrad (2 patents)Norbert J JohnsonMert Erad (2 patents)Norbert J JohnsonNicholas Maritato (2 patents)Norbert J JohnsonNicholas Marcouiller (2 patents)Norbert J JohnsonRobert LeBoeuf (2 patents)Norbert J JohnsonKyle VanLeer (2 patents)Norbert J JohnsonJawad Mokhtar (2 patents)Norbert J JohnsonKen Jones (2 patents)Norbert J JohnsonChristopher M Angelucci (1 patent)Norbert J JohnsonMitchell A Foster (1 patent)Norbert J JohnsonMichael Robinson (1 patent)Norbert J JohnsonArnold B Vardiman (1 patent)Norbert J JohnsonKeiichi Matsuda (1 patent)Norbert J JohnsonZachary Olenio (1 patent)Norbert J JohnsonGene Gregerson (1 patent)Norbert J JohnsonFrancisco Ponce (1 patent)Norbert J JohnsonPatrick Senatus (1 patent)Norbert J JohnsonRaul Wirz (1 patent)Norbert J JohnsonDanielle Reinhard (1 patent)Norbert J JohnsonBrandon Marzolf (1 patent)Norbert J JohnsonSteven Tracy (1 patent)Norbert J JohnsonDavid Toombs (1 patent)Norbert J JohnsonChristopher Major (1 patent)Norbert J JohnsonDouglas Legere (1 patent)Norbert J JohnsonRyan Fischer (1 patent)Norbert J JohnsonTushar Sawant (1 patent)Norbert J JohnsonPaden Troxell (1 patent)Norbert J JohnsonRobert Leboeuf, Ii (1 patent)Norbert J JohnsonEarle Dale (0 patent)Norbert J JohnsonDouglas Legere (0 patent)Norbert J JohnsonRyan Fischer (0 patent)Norbert J JohnsonThimothy Moulton (0 patent)Norbert J JohnsonDanielle Reinhard (0 patent)Norbert J JohnsonPatrick Senatus (0 patent)Norbert J JohnsonRaul Wirz (0 patent)Norbert J JohnsonAl Jewad Bessam (0 patent)Norbert J JohnsonMichael Bartelme (0 patent)Norbert J JohnsonNorbert J Johnson (154 patents)Chad GlerumChad Glerum (201 patents)Neil Robert CrawfordNeil Robert Crawford (177 patents)David C PaulDavid C Paul (155 patents)Thomas CallowayThomas Calloway (51 patents)Eugene A GregersonEugene A Gregerson (68 patents)Sanjay M JoshiSanjay M Joshi (26 patents)Richard K GrantRichard K Grant (19 patents)Kevin ZhangKevin Zhang (19 patents)Weston HealyWeston Healy (19 patents)Yuan ChengYuan Cheng (17 patents)Robert G StevensRobert G Stevens (44 patents)Jeffrey ForsythJeffrey Forsyth (18 patents)Hisham SalemHisham Salem (13 patents)David ClearyDavid Cleary (15 patents)Hayden CameronHayden Cameron (26 patents)James CascaranoJames Cascarano (14 patents)Timothy MoultonTimothy Moulton (27 patents)Andrew BerkowitzAndrew Berkowitz (21 patents)Stephen CicchiniStephen Cicchini (16 patents)Spiros MantzavinosSpiros Mantzavinos (12 patents)Justin LarsonJustin Larson (9 patents)Chris MajorChris Major (17 patents)Mir HussainMir Hussain (9 patents)Jared Alden JudsonJared Alden Judson (83 patents)Sritam Parashar RoutSritam Parashar Rout (12 patents)Jeff ForsythJeff Forsyth (6 patents)Alexander KrullAlexander Krull (6 patents)Gerd SchmietaGerd Schmieta (62 patents)Rand KmiecRand Kmiec (6 patents)Gary PinardGary Pinard (5 patents)Michael BrauckmannMichael Brauckmann (5 patents)Olivier ChappuisOlivier Chappuis (25 patents)Keerthighaan KanagasegarKeerthighaan Kanagasegar (7 patents)Dana WisniewskiDana Wisniewski (7 patents)James PelletierJames Pelletier (6 patents)Steven ChangSteven Chang (4 patents)Matthew BechtelMatthew Bechtel (43 patents)Paden Michael TroxellPaden Michael Troxell (16 patents)Michael James BartelmeMichael James Bartelme (14 patents)Isaac DulinIsaac Dulin (13 patents)Ross MorrisRoss Morris (12 patents)Caelan AllenCaelan Allen (7 patents)Christine M RussChristine M Russ (6 patents)Ryan DeckerRyan Decker (3 patents)Bessam Al JewadBessam Al Jewad (3 patents)Adam FriedrichAdam Friedrich (88 patents)Andrew Charles DavisonAndrew Charles Davison (59 patents)Nicholas A TheodoreNicholas A Theodore (59 patents)Russell StantonRussell Stanton (54 patents)Patrick A HelmPatrick A Helm (53 patents)Stephanie WolfeStephanie Wolfe (28 patents)Michael ConnorMichael Connor (26 patents)Peter GoveyPeter Govey (12 patents)James YauJames Yau (10 patents)Wes WeberWes Weber (8 patents)Dale EarleDale Earle (7 patents)Rasool KhademRasool Khadem (6 patents)Samuel PasterSamuel Paster (3 patents)Steve TracySteve Tracy (2 patents)David DemskiDavid Demski (2 patents)Kyle Van LeerKyle Van Leer (2 patents)Eric StudleyEric Studley (2 patents)Michael NorciaMichael Norcia (2 patents)Caroline ConradCaroline Conrad (2 patents)Mert EradMert Erad (2 patents)Nicholas MaritatoNicholas Maritato (2 patents)Nicholas MarcouillerNicholas Marcouiller (2 patents)Robert LeBoeufRobert LeBoeuf (2 patents)Kyle VanLeerKyle VanLeer (2 patents)Jawad MokhtarJawad Mokhtar (2 patents)Ken JonesKen Jones (2 patents)Christopher M AngelucciChristopher M Angelucci (56 patents)Mitchell A FosterMitchell A Foster (31 patents)Michael RobinsonMichael Robinson (10 patents)Arnold B VardimanArnold B Vardiman (8 patents)Keiichi MatsudaKeiichi Matsuda (7 patents)Zachary OlenioZachary Olenio (6 patents)Gene GregersonGene Gregerson (5 patents)Francisco PonceFrancisco Ponce (4 patents)Patrick SenatusPatrick Senatus (1 patent)Raul WirzRaul Wirz (1 patent)Danielle ReinhardDanielle Reinhard (1 patent)Brandon MarzolfBrandon Marzolf (1 patent)Steven TracySteven Tracy (1 patent)David ToombsDavid Toombs (1 patent)Christopher MajorChristopher Major (1 patent)Douglas LegereDouglas Legere (1 patent)Ryan FischerRyan Fischer (1 patent)Tushar SawantTushar Sawant (1 patent)Paden TroxellPaden Troxell (1 patent)Robert Leboeuf, IiRobert Leboeuf, Ii (1 patent)Earle DaleEarle Dale (0 patent)Douglas LegereDouglas Legere (0 patent)Ryan FischerRyan Fischer (0 patent)Thimothy MoultonThimothy Moulton (0 patent)Danielle ReinhardDanielle Reinhard (0 patent)Patrick SenatusPatrick Senatus (0 patent)Raul WirzRaul Wirz (0 patent)Al Jewad BessamAl Jewad Bessam (0 patent)Michael BartelmeMichael Bartelme (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Globus Medical, Inc. (131 from 1,896 patents)

2. Medtronic Navigation, Inc. (14 from 329 patents)

3. Breakaway Imaging, LLC (5 from 5 patents)

4. Other (3 from 832,398 patents)


154 patents:

1. 12446978 - Robotic systems providing co-registration using natural fiducials and related methods

2. 12446981 - System and method for surgical tool insertion using multiaxis force and moment feedback

3. 12414752 - System and method of determining optimal 3-dimensional position and orientation of imaging device for imaging patient bones

4. 12396692 - Compound curve cable chain

5. 12376932 - Sterile draping of robotic arms

6. 12364562 - Robot arm and methods of use

7. 12354263 - Registration of 3D and 2D images for surgical navigation and robotic guidance without using radiopaque fiducials in the images

8. 12336771 - Augmented reality navigation systems for use with robotic surgical systems and methods of their use

9. 12329476 - Drill guide fixtures, cranial insertion fixtures, and related methods and robotic systems

10. 12329593 - Surgical robotic automation with tracking markers

11. 12324634 - Flat panel registration fixture and method of using same

12. 12318150 - Camera tracking system for computer assisted surgery navigation

13. 12310776 - Fixtures for fluoroscopic imaging systems and related navigation systems and methods

14. 12310634 - Screw tower and rod reduction tool

15. 12299893 - Auto segmentation using 2-D images taken during 3-D imaging spin

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10/25/2025
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