Average Co-Inventor Count = 3.72
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 Electric Co., Ltd. (8 from 8,777 patents)
2. Nec Corporation (3 from 35,670 patents)
3. Rohm Co., Ltd. (2 from 5,996 patents)
4. Rohn Co., Ltd. (1 from 7 patents)
8 patents:
1. 8466600 - Electrostatic operation device
2. 8384208 - Semiconductor device and method of fabricating the same
3. 8102097 - Electrostatic acting device including an electret film
4. 8089194 - Electrostatic acting device including an electret film and an electrostatic power generator including an electret film
5. 8022497 - Semiconductor device comprising insulating film
6. 7851967 - Electrostatic induction generator
7. 7825547 - Electret device and electrostatic operating apparatus
8. 7646101 - Semiconductor device and manufacturing method thereof