Average Co-Inventor Count = 2.00
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. Kabushiki Kaisha Toshiba (5 from 52,766 patents)
5 patents:
1. D377344 - Optical disk cartridge
2. D374436 - Optical disk cartridge
3. D371548 - Optical disk cartridge
4. D288439 - Cassette player
5. D288438 - Cassette player