Average Co-Inventor Count = 4.09
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. Kokusai Electric Co., Ltd. (2 from 153 patents)
2. Nec Corporation (1 from 35,658 patents)
3 patents:
1. 5665485 - Splashproof construction for portable type electronic device
2. 5293634 - System for retrieving token having a selected nest level and satisfying
3. D310366 - Portable radio telephone