Average Co-Inventor Count = 2.14
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. Sony Corporation (6 from 58,131 patents)
2. Tokai Aluminum Foil Co., Ltd. (2 from 2 patents)
3. Oji Yuki Goseishi Co., Ltd. (1 from 2 patents)
8 patents:
1. 8222840 - Fuel cell mount apparatus and electric power supply system
2. 7901822 - Fuel cell and voltage supply method
3. 7267903 - Fuel cell and method of operating the same
4. 6875530 - Fuel cell and method of operating the same
5. 5428593 - Digital audio signal transforming method and apparatus
6. 5316841 - Laminated sheet for a lid of a container for instant food cooked with
7. 5316777 - Lid of container and container for instant foods using the same
8. 4348699 - Apparatus for recording and/or reproducing digital signal