Average Co-Inventor Count = 4.09
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. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)
3 patents:
1. 7254318 - Recording apparatus, recording program, and recording method
2. 7177531 - Record and playback apparatus and record medium
3. 6879408 - Printer driver, printer, and recording medium on which printer driver program is recorded