Average Co-Inventor Count = 1.95
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. Akebono Brake Industry Co., Ltd. (4 from 507 patents)
2. Other (2 from 832,912 patents)
3. Taco Co., Ltd. (1 from 2 patents)
4. Sysmic Co., Ltd. (1 from 1 patent)
6 patents:
1. 6632857 - Friction material
2. 6274243 - Automobile exterior components
3. 6107386 - Friction materials
4. 5817411 - Friction material
5. 5576369 - Friction material
6. 4993010 - Laser disk cassette selecting system