Average Co-Inventor Count = 1.36
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. Satosen Co., Ltd. (1 from 9 patents)
2. Lsi Card Corporation (1 from 1 patent)
3. Daishin Instrument Co., Ltd. (1 from 1 patent)
3 patents:
1. 6398109 - Article carrying method, physical distribution system and carrying bag used therefor
2. 5488558 - Handy computer with built-in digital camera and spot state recording
3. 5402098 - Coil