Average Co-Inventor Count = 5.66
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. Tomoegawa Paper Co., Inc. (6 from 209 patents)
2. Hitachi, Ltd. (2 from 42,488 patents)
6 patents:
1. 5945188 - Adhesive tape for tape automated bonding
2. 5843550 - Adhesive tape for tape automated bonding
3. 5786055 - Adhesive for semiconductor devices and adhesive tape using the adhesive
4. 5523137 - Adhesive paper for tape automated bonding
5. 4991074 - Lighting lamp
6. 4954937 - Lighting lamp