Growing community of inventors

San Francisco, CA, United States of America

Sigurd H Berven

Average Co-Inventor Count = 7.17

ph-index = 4

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 = 136

Sigurd H BervenCharles B Fisher (5 patents)Sigurd H BervenMarcel Dvorak (5 patents)Sigurd H BervenAnthony J Melkent (4 patents)Sigurd H BervenJonathan M Dewey (4 patents)Sigurd H BervenKeith E Miller (4 patents)Sigurd H BervenCharles L Branch (4 patents)Sigurd H BervenAdriaan J Kuyler (4 patents)Sigurd H BervenMladen G Djurasovic (4 patents)Sigurd H BervenNicholas Slater (3 patents)Sigurd H BervenBrian Schumacher (3 patents)Sigurd H BervenWilliam W Cross, Iii (3 patents)Sigurd H BervenBjörn N Rindal (3 patents)Sigurd H BervenNavid Mahpeykar (3 patents)Sigurd H BervenWilliam Alan Rezach (1 patent)Sigurd H BervenJason Michael May (1 patent)Sigurd H BervenTodd M Boyce (1 patent)Sigurd H BervenGuobao Wei (1 patent)Sigurd H BervenKeyvan Behnam (1 patent)Sigurd H BervenJohn Winterbottom (1 patent)Sigurd H BervenRandal R Betz (1 patent)Sigurd H BervenLawrence G Lenke (1 patent)Sigurd H BervenNanette Forsyth (1 patent)Sigurd H BervenChristopher I Shaffrey (1 patent)Sigurd H BervenRaymond Cloutier (1 patent)Sigurd H BervenBjorn N Rindal (11 patents)Sigurd H BervenMichael F O'Brien (1 patent)Sigurd H BervenJames Beisser (1 patent)Sigurd H BervenRonald A Lehman (1 patent)Sigurd H BervenMichael Macmillan (1 patent)Sigurd H BervenAlexis P Shelokov (1 patent)Sigurd H BervenThomas Terramani (1 patent)Sigurd H BervenDaniel Michael Sciubba (1 patent)Sigurd H BervenNicholas D Fletcher (1 patent)Sigurd H BervenCharles Fisher (0 patent)Sigurd H BervenDaniel M Sciubba (0 patent)Sigurd H BervenNicholas D Fletcher (0 patent)Sigurd H BervenMarcel Dvorak (0 patent)Sigurd H BervenBrian Scott Schumacher (0 patent)Sigurd H BervenWilliam W Cross Iii (0 patent)Sigurd H BervenBrian Scott Schumacher (0 patent)Sigurd H BervenWilliam W Cross Iii (0 patent)Sigurd H BervenSigurd H Berven (10 patents)Charles B FisherCharles B Fisher (59 patents)Marcel DvorakMarcel Dvorak (15 patents)Anthony J MelkentAnthony J Melkent (167 patents)Jonathan M DeweyJonathan M Dewey (122 patents)Keith E MillerKeith E Miller (90 patents)Charles L BranchCharles L Branch (39 patents)Adriaan J KuylerAdriaan J Kuyler (29 patents)Mladen G DjurasovicMladen G Djurasovic (9 patents)Nicholas SlaterNicholas Slater (54 patents)Brian SchumacherBrian Schumacher (16 patents)William W Cross, IiiWilliam W Cross, Iii (9 patents)Björn N RindalBjörn N Rindal (4 patents)Navid MahpeykarNavid Mahpeykar (3 patents)William Alan RezachWilliam Alan Rezach (124 patents)Jason Michael MayJason Michael May (67 patents)Todd M BoyceTodd M Boyce (53 patents)Guobao WeiGuobao Wei (44 patents)Keyvan BehnamKeyvan Behnam (35 patents)John WinterbottomJohn Winterbottom (35 patents)Randal R BetzRandal R Betz (30 patents)Lawrence G LenkeLawrence G Lenke (20 patents)Nanette ForsythNanette Forsyth (17 patents)Christopher I ShaffreyChristopher I Shaffrey (17 patents)Raymond CloutierRaymond Cloutier (11 patents)Bjorn N RindalBjorn N Rindal (11 patents)Michael F O'BrienMichael F O'Brien (10 patents)James BeisserJames Beisser (6 patents)Ronald A LehmanRonald A Lehman (5 patents)Michael MacmillanMichael Macmillan (4 patents)Alexis P ShelokovAlexis P Shelokov (2 patents)Thomas TerramaniThomas Terramani (2 patents)Daniel Michael SciubbaDaniel Michael Sciubba (2 patents)Nicholas D FletcherNicholas D Fletcher (1 patent)Charles FisherCharles Fisher (0 patent)Daniel M SciubbaDaniel M Sciubba (0 patent)Nicholas D FletcherNicholas D Fletcher (0 patent)Marcel DvorakMarcel Dvorak (0 patent)Brian Scott SchumacherBrian Scott Schumacher (0 patent)William W Cross IiiWilliam W Cross Iii (0 patent)Brian Scott SchumacherBrian Scott Schumacher (0 patent)William W Cross IiiWilliam W Cross Iii (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Warsaw Orthopedic, Inc. (6 from 2,462 patents)

2. Imds Corporation (3 from 61 patents)

3. Mayo Foundation for Medical Education and Research (1 from 1,742 patents)

4. Novapproach, Spine LLC (1 from 3 patents)


10 patents:

1. 12403018 - Expandable spinal implant system and method of using same

2. 11744715 - Expandable spinal implant system with a biased tip and method of using same

3. 11672575 - Surgical instrument and method

4. 11471298 - Interbody cage device and methods of use

5. 11065130 - Expandable spinal implant system and method of using same

6. 10610244 - Joint fusion instrumentation and methods

7. 10603177 - Joint fusion instrumentation and methods

8. 10238503 - Expandable spinal implant system with a biased tip and method of using same

9. 9833321 - Joint fusion instrumentation and methods

10. 9492278 - Delivery system

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as of
12/6/2025
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