Average Co-Inventor Count = 1.76
ph-index = 7
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. Meidoh Co., Ltd. (7 from 9 patents)
2. Aisan Kogyo Kabushiki Kaisha (6 from 801 patents)
3. Ngk Spark Plug Company, Limited (4 from 2,606 patents)
4. Hino Motors, Ltd. (1 from 241 patents)
5. National Center for Geriatrics and Gerontology (1 from 24 patents)
18 patents:
1. 11224667 - 11C-labeled catechol derivative, pet probe of phosphorylated tau aggregation inhibitor using the same, and production method of the same
2. 9587594 - Evaporated fuel processing apparatus
3. 8720471 - Fuel cutoff valves
4. 8075233 - Bolt, the axial force of which is to be determined by a supersonic wave, and a method for the manufacturing thereof
5. 7981180 - Dust filter
6. 7942947 - Dust filter
7. 7762752 - Bolt and thread rolling die and the manufacture of the bolt
8. 7670091 - Bolt and thread rolling die and the manufacture of the bolt
9. 6685411 - Bolt
10. 6540619 - Bolt and a manufacturing method thereof
11. 6347917 - Bolt with column and polygonal pillar to prevent seizure
12. 6296432 - Bolt with extension to prevent thread misalignment
13. 5068542 - Method and apparatus for concentration measurement by the quantity,
14. 4766872 - Canister for capturing evaporated fuel
15. 4750923 - Canister for reducing fuel vapor loss