Average Co-Inventor Count = 3.66
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. Hoya Corporation (3 from 2,528 patents)
2. Nabtesco Automotive Corporation (3 from 44 patents)
3. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
4. Tdk Corporation (1 from 7,952 patents)
5. Subaru Corporation (1 from 2,040 patents)
6. Takahashi Seimitsu Kogyo Kabushiki Kaisha (1 from 1 patent)
10 patents:
1. 11964533 - Fastener structure for vehicle
2. 10253775 - Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine
3. 9709057 - Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine
4. 9255579 - Vacuum pump having rotary compressing elements
5. 6852010 - Substrate for an information recording medium, information recording medium using the substrate, and method of producing the substrate
6. 6790509 - Substrate for information recording medium, information recording medium, and method for controlling surface of substrate for information recording medium
7. 6537648 - Substrate for an information recording medium, information recording medium using the substrate and method of producing the substrate
8. 6268752 - Master-slave flip-flop circuit
9. 5604166 - Dielectric ceramic composition
10. 4655261 - Yarn cutting scissors device