Average Co-Inventor Count = 2.61
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. Mitsui Chemicals, Inc. (6 from 1,788 patents)
2. Konica Minolta, Inc. (1 from 4,245 patents)
3. Mutsui Chemicals, Inc. (1 from 2 patents)
9 patents:
1. 11953757 - Eyewear
2. 11867983 - Electronic eyeglasses
3. 11561412 - Eyewear
4. 11425977 - Eyewear case
5. 10768443 - Electronic eyeglasses
6. D848523 - Eyeglasses
7. D824992 - Eyeglasses
8. D816022 - Battery box
9. 8749964 - Ultrasonic diagnosis apparatus