Average Co-Inventor Count = 1.82
ph-index = 6
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. Dai-ichi High Frequency Co., Ltd. (4 from 25 patents)
2. Mitsubishi Electric Corporation (3 from 15,863 patents)
3. Tdk Corporation (1 from 7,954 patents)
4. The University of Tokyo (1 from 1,281 patents)
5. Nagano Keiki Co., Ltd. (1 from 64 patents)
6. Daiwa House Industry Co., Ltd (1 from 12 patents)
7. Kogyo Gijutsuin (1 from 12 patents)
8. Superconductivity Research Laboratory (1 from 4 patents)
9. Kabushiki Kaisha Seidenko (1 from 4 patents)
10. Denryoku Chuo Kenkyusho (1 from 2 patents)
11. Stanley Electric Co., Ltd (1,439 patents)
12 patents:
1. 12322550 - Electronic component
2. 12030745 - Elevator device
3. 10589962 - Elevator hoisting machine mounting device
4. 10384912 - Machine base attachment device for elevator hoisting machine
5. 6298730 - Pressure sensor
6. 5998338 - Method for preparing oxide superconductors
7. 5713130 - Partially thick-walled elongated metallic member and methods of making
8. 5475560 - Current limiting device with a superconductor and a control coil
9. 5140301 - Guidance method and apparatus in case of emergency evacuation
10. 4479372 - Method of manufacturing metallic bent pipe
11. 4442331 - Method and apparatus of induction heating a metallic elongated material
12. 4412442 - Method for bending a metal pipe