Average Co-Inventor Count = 3.21
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. Nitto Kohki Co., Ltd. (4 from 323 patents)
2. Nikki Co., Ltd. (2 from 50 patents)
3. Key Coffee Co., Ltd. (1 from 1 patent)
6 patents:
1. 6517329 - Electromagnetic blower and two-passage air supply apparatus
2. 4829889 - Dispenser
3. 4583255 - Massage arrangement of the pneumatic type
4. 4417568 - Air bubble generating apparatus for use in bathtub
5. 4269797 - Bubble generator
6. 4262374 - Bubble wash unit