Average Co-Inventor Count = 2.77
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. Citizen Watch Company, Ltd. (2 from 2,002 patents)
2. Kao Corporation (1 from 3,600 patents)
3. Konica Minolta, Inc. (4,226 patents)
4. Pioneer Corporation (2,646 patents)
3 patents:
1. 11129781 - Agent for hair deforming treatment
2. 5158379 - Printing starting position controller for serial printer
3. 4795285 - Toothed belt and split pin carriage drive