Average Co-Inventor Count = 2.94
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. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)
2. Pegasus Sewing Machine Mfg. Co., Ltd. (2 from 58 patents)
5 patents:
1. 5394813 - Apparatus for sewing an elastic tape on an edge of a workpiece
2. 5127350 - Method and apparatus for cutting cover thread in a multi-needle sewing
3. 4855833 - Television channel selection apparatus employing multi-picture display
4. 4731677 - Integrated video camera/recorder unit
5. 4521735 - Battery voltage level detecting apparatus