Average Co-Inventor Count = 1.89
ph-index = 7
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.
Company Filing History:
1. Spellman High Voltage Electronics Corporation (8 from 11 patents)
2. Other (3 from 832,912 patents)
11 patents:
1. 6984897 - Electro-mechanical energy conversion system having a permanent magnet machine with stator, resonant transfer link and energy converter controls
2. 6954004 - Doubly fed induction machine
3. 6924991 - Energy transfer multiplexer
4. 6469469 - Variable output induction motor drive system
5. 4636685 - Magnetic arc spreading fluorescent lamp with protective envelope
6. 4514662 - Magnetic arc spreading fluorescent lamps
7. 4443734 - High intensity discharge lamp with arc spreading means
8. 4341979 - Fluorescent lamp with rotating magnetic field arc spreading device
9. 4311942 - Compact fluorescent lamp and method and means for magnetic arc spreading
10. 4311943 - Fluorescent lamp with arc spreading with recombination structures
11. 4248162 - Table with electrostatic air purifier/cleaner