Average Co-Inventor Count = 2.66
ph-index = 8
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. Tdk Corporation (11 from 7,986 patents)
2. Ricoh Company, Ltd. (8 from 28,584 patents)
3. Mitsubishi Heavy Industries Limited (6 from 4,633 patents)
4. Dai Nippon Printing Co., Ltd. (3 from 3,205 patents)
5. Hitachi Industrial Equipment Systems Co., Ltd. (3 from 496 patents)
6. Shift Co. Ltd. (3 from 3 patents)
7. Other (2 from 832,912 patents)
8. Toppan Printing Co., Ltd. (2 from 1,268 patents)
9. Mitsubishi Hitachi Power Systems, Ltd. (2 from 651 patents)
10. Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. (2 from 287 patents)
11. National Institute of Information and Communications Technology, Incorporated (1 from 364 patents)
12. Nec Communication Systems, Ltd. (1 from 39 patents)
13. Pioneer Dj Corporation (1 from 36 patents)
14. Nec Communications Systems, Ltd. (1 from 8 patents)
46 patents:
1. 12372038 - Engine and method of controlling engine
2. 12058246 - Secret key sharing system and secret key sharing method
3. 11428852 - Reflection suppression segment having inclined surfaces, display, and method for verifying display
4. 11294108 - Display
5. 11191225 - Power-driven working device
6. 10837373 - Precombustion chamber gas engine
7. 10590508 - Method for manufacturing shaft body
8. 10436297 - Operation device
9. 10185259 - Endless belt, fixing device, image forming apparatus, and method of manufacturing endless belt
10. 9897954 - Base for fixing belt, fixing belt, fixing device, and image forming apparatus
11. 9291969 - Base for fixing belt, fixing belt, fixing device, and image forming apparatus
12. 9194820 - Method for manufacturing a turbine rotor
13. 9105393 - Amorphous core transformer
14. 9041503 - Amorphous transformer
15. 8893474 - Exhaust emission control device of diesel engine