Average Co-Inventor Count = 1.11
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. Oohiro Works, Ltd. (16 from 66 patents)
2. Oohiro Works Co., Ltd. (1 from 2 patents)
17 patents:
1. 6679908 - Facial treatment device
2. 6651674 - Hair heating device having concentric reverse reduction gearing
3. D474562 - Hair processing accelerator
4. 6526605 - Automatic hair washer
5. 6442340 - Hair processing accelerator with rotatably adjustable semicircular heaters
6. 6430365 - Hair processing accelerator with rotatable adjustable semicircular heaters
7. 6408455 - Automatic hair washer
8. 6401272 - Hair washer
9. 6367101 - Automatic hair washer
10. 6291051 - Waterproof sheet for hair washing and automatic hair washer using such waterproof sheet
11. 6269492 - Automatic hair washer
12. 6249922 - Automatic hair washer
13. 6243888 - Hair washer
14. 6233755 - Hair washer
15. 6212703 - Hair washing apparatus and a neck receiving member used therefor