Average Co-Inventor Count = 4.24
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. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)
2. Yuasa Corporation (1 from 38 patents)
4 patents:
1. 7527890 - Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery
2. 5073797 - Toner sealing arrangement for a dry developing device of an
3. 4947211 - Developing device
4. 4903634 - Developing device