Average Co-Inventor Count = 3.50
ph-index = 2
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. Sony Corporation (3 from 58,130 patents)
2. Alps Electric Co., Ltd. (1 from 4,048 patents)
4 patents:
1. 10649262 - Electronic apparatus, method of producing electronic apparatus, and substrate laminate
2. 7275307 - Method of making a magnetic head with ferrite between nonmagnetic portions and a nonmagnetic gap
3. 6801391 - Magnetic head with ferrite between nonmagnetic portions and a nonmagnetic gap
4. 4824396 - Electrical connection apparatus