Average Co-Inventor Count = 2.50
ph-index = 3
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. Clarion Co (5 from 1,057 patents)
5 patents:
1. 4402020 - Lock-releasing mechanism for magnetic record/playback apparatus
2. 4402026 - Magnetic record/playback apparatus
3. 4335409 - Tape pack ejecting mechanism for tape player
4. 4115826 - Cartridge type magnetic tape recorders
5. 3947884 - Tape recorder