Average Co-Inventor Count = 6.87
ph-index = 1
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. Pioneer Electronic Corporation (1 from 2,861 patents)
2. Tohoku Electric Power Company, Inc. (1 from 63 patents)
3. Showa Electric Wire & Cable Co., Ltd. (1 from 53 patents)
4. Tokyo Rope Mfg. Co., Ltd. (1 from 43 patents)
5. Sanwa Tekki Corporation (1 from 2 patents)
2 patents:
1. 6015953 - Tension clamp for stranded conductor
2. 5612832 - Cassette deck of a car stereo