Average Co-Inventor Count = 2.76
ph-index = 13
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. Mitsubishi Denki Kabushiki Kaisha (11 from 21,351 patents)
2. Nissan Motor Company Limited (7 from 13,415 patents)
3. Hitachi, Ltd. (5 from 42,517 patents)
4. Hitachi Industrial Equipment Systems Co., Ltd. (5 from 496 patents)
5. Northern Telecom Limited (1 from 2,276 patents)
6. Mahle Powertrain Limited (1 from 9 patents)
29 patents:
1. 11560288 - Elevator operation management system and elevator operation management method
2. 11376848 - Inkjet recording device and control method for inkjet recording device
3. 11027540 - Inkjet recording device
4. 10703108 - Inkjet recording apparatus
5. 10399343 - Inkjet recording apparatus and ink information display method for inkjet recording apparatus
6. 9636912 - Ink jet recording device
7. 9240124 - Traffic-volume prediction device and method
8. 8179287 - Method and apparatus for communicating map and route guidance information for vehicle navigation
9. 7342516 - Method and apparatus for communicating map and route guidance information for vehicle navigation
10. 7299781 - Engine oil return system
11. 6437706 - Toll collection system and its communication method
12. 5872022 - Method for etching a semiconductor method for fabricating semiconductor
13. 5804840 - Semiconductor device structure including InAlAs or InAlGaAs current
14. 5763291 - Method of making semiconductor laser
15. 5741359 - Method and apparatus for zone-melting recrystallization of semiconductor