Average Co-Inventor Count = 8.22
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. Mita Industrial Co., Ltd. (3 from 1,344 patents)
3 patents:
1. 5812153 - Ink jet printing apparatus capable of simultaneously printing an image
2. 5668581 - Ink jet printing apparatus
3. 5615877 - Sheet transporting device for use in an image forming apparatus