Average Co-Inventor Count = 4.24
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. Sumitomo Electric Industries, Limited (2 from 10,264 patents)
2. Other (1 from 832,880 patents)
3. Sumitomo Rubber Industries Limited (1 from 4,423 patents)
4. The Kansai Electric Power Co., Inc. (195 patents)
3 patents:
1. 7012111 - High-specific-gravity EPDM composition, dynamic damper made from the composition, tennis racket with the dynamic damper, and radiation-shielding material comprising the composition
2. 6761945 - Electrolyte tank and manufacturing method thereof
3. 5542629 - Escape device for aircraft