Average Co-Inventor Count = 2.40
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. Sanyo Vacuum Industries Co. Ltd. (3 from 4 patents)
2. Sharp Kabushiki Kaisha Corporation (1 from 25,621 patents)
3. Toray Industries, Inc. (1 from 3,490 patents)
4. Sanyo Vaccum Industries Co. Ltd. (1 from 1 patent)
4 patents:
1. 6090457 - Process of making a thin film
2. 6083365 - Method for forming a thin film and apparatus for the same
3. 5958141 - Dry etching device
4. 5645901 - Electrode substrate for liquid crystal display device and liquid crystal