Average Co-Inventor Count = 4.10
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. Nitto-denko Corporation (4 from 3,869 patents)
2. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
4 patents:
1. 7794307 - Method for correcting semi-conductive belt
2. 7052747 - Birefringent optical film, elliptically polarizing plate using the same, and liquid crystal display using the same
3. 5777405 - Damping member for minimotor and minimotor equipped with the same
4. 5411779 - Composite tubular article and process for producing the same