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. Ohkura Electric Co., Ltd. (2 from 20 patents)
2. Ntt Data Communications Systems Corporation (2 from 15 patents)
3. Texas Instruments Japan Limited (2 from 14 patents)
4. Oiles Kogyo Kabushiki Kaisha (1 from 4 patents)
3 patents:
1. 5199071 - Modem mode matching method with PBX dial-in
2. 5153897 - Automatically controlling the operation mode of data circuit terminating
3. 4100245 - Method for manufacturing bearings or other anti-friction elements formed