Average Co-Inventor Count = 1.27
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. Nec Corporation (2 from 35,734 patents)
2. Nippon Electric Co., Ltd. (2 from 1,038 patents)
3. Japan Metals & Chemicals Co., Ltd. (2 from 50 patents)
4. Nakamura Printing & Binding Co., Ltd. (1 from 1 patent)
5. Mitsubishi Electric Corporation (15,928 patents)
6. Mitsubishi Electric Home Appliance Co., Ltd. (35 patents)
7 patents:
1. 10737524 - Binding method of perfect-bound booklet
2. 6584187 - Transfer service method for telephone network
3. 6526040 - Exchange network system
4. 4588431 - Mixed phosphatic fertilizer and process for producing the same
5. 4440560 - Mixed phosphatic fertilizer and process for producing the same
6. 4414627 - Main memory control system
7. 4306288 - Data processing system with a plurality of processors