Average Co-Inventor Count = 2.81
ph-index = 5
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. Chugai Ro Co., Ltd. (4 from 74 patents)
2. The Green Cross Corporation (2 from 260 patents)
3. Sharp Kabushiki Kaisha Corporation (1 from 25,537 patents)
4. Chugai Ro. Kogyo Co., Ltd. (1 from 6 patents)
5. Yamamoto Metal Technos Co., Ltd. (1 from 3 patents)
6. O & K Company Ltd. (1 from 2 patents)
9 patents:
1. 12059764 - Vibration measurement device
2. 9936844 - Self-propelled electronic device
3. 5610036 - Mutant AOX2 promoter, microorganism carrying same, method of preparation
4. 5252135 - Sealing apparatus for continuous vacuum treating equipment
5. 5137824 - CSF-1 gene promoter
6. 4881185 - Method of measuring temperature and apparatus for effecting the method
7. 4836864 - Method of gas carburizing and hardening
8. 4807853 - Continuous furnace for gas carburizing and hardening
9. 4397451 - Furnace for the heat treatment of scale-covered steel