Average Co-Inventor Count = 5.36
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. Kao Corporation (4 from 3,604 patents)
2. Shibuya Kogyo Co., Ltd. (2 from 134 patents)
3. Kao Corporation and Shibuya Kogyo Co., Ltd. (1 from 1 patent)
5 patents:
1. 5509524 - Article transportation processing system
2. 5437361 - Article conveyor unit
3. 5415267 - Method and apparatus for orienting articles
4. 5375898 - Article holding arrangement
5. 5337796 - Article transportation processing system