Average Co-Inventor Count = 2.67
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.
Company Filing History:
1. Kabushiki Kaisha Toshiba (4 from 52,780 patents)
4 patents:
1. 5319520 - Electronic equipment assembly of tiered type
2. 5185791 - Combination desk and wall telephone set
3. 4924044 - Light emitting push button switch for an electronic apparatus
4. 4803724 - Hand set