Inventor · disambiguated record
John Herman Callahan
Also filed as: CALLAHAN JOHN · CALLAHAN JOHN H · CALLAHAN JOHN HERMAN
5 granted patents·196 citations·filing 1994–2022
81Inventor score
Top patents by PatentIndex Score
5 records- 0189US5465009AProcesses and apparatus for lift-off and bonding of materials and devicesGEORGIA TECH RES INST·Filed 1994·Granted Nov 7, 1995·130 cites·9 claims
- 0288USRE50454ENet wrap recovery deviceCALLAHAN JOHN HERMAN·Filed 2022·Granted Jun 10, 2025·2 cites·20 claims
- 0385US5591969AInductive detector for time-of-flight mass spectrometersUS ARMY·Filed 1995·Granted Jan 7, 1997·52 cites·16 claims
- 0469US6998156B2Deposition of thin films using an infrared laserUS NAVY·Filed 2002·Granted Feb 14, 2006·12 cites·11 claims
- 0557US11089733B1Net wrap recovery deviceCALLAHAN JOHN HERMAN·Filed 2021·Granted Aug 17, 2021·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when John Herman Callahan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →