Average Co-Inventor Count = 3.97
ph-index = 15
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. Hitachi, Ltd. (29 from 42,485 patents)
2. Mitsubishi Electric Corporation (7 from 15,844 patents)
3. Mitsubishi Denki Kabushiki Kaisha (3 from 21,351 patents)
4. Mitsubishi Jidosha Kogyo Kabushiki Kaisha (3 from 1,625 patents)
5. Hitachi Industrial Equipment Systems Co., Ltd. (3 from 493 patents)
6. Mitsubishi Jukogyo Kabushiki Kaisha (2 from 1,326 patents)
7. Hitachi Medical Corporation (2 from 900 patents)
8. Juki Corporation (2 from 273 patents)
9. Hitachi Microcomputer Engineering, Ltd. (2 from 149 patents)
10. Tdk Corporation (1 from 7,952 patents)
11. Director-general of Agency of Industrial Science and Technology (1 from 232 patents)
12. Mitsubishi Jidosha Engineering Kabushiki Kaisha (1 from 105 patents)
13. Mitsubishi Electric Metecs Co., Ltd. (1 from 3 patents)
14. Hitachi, Ltd. , Hitachi Medical Corporation (1 from 2 patents)
15. Kanehiro Co., Ltd. (1 from 1 patent)
53 patents:
1. 12485671 - Inkjet recording device and inkjet recording method
2. 11262097 - Method for setting the refrigerant charge amount in an air-conditioning apparatus
3. 10857787 - Inkjet recording device
4. 10539358 - Air-conditioning apparatus and refrigerant leakage detection method
5. 10436486 - Air-conditioning apparatus and method of installing the same
6. 10393413 - Heat pump apparatus with refrigerant leakage protection
7. 10254030 - Refrigeration cycle device
8. 10222098 - Refrigeration cycle apparatus
9. 9729080 - Power supply control circuit and power supply device
10. D754789 - Cartridge for ink jet printer
11. 8598707 - Solder alloy and semiconductor device
12. 7528518 - In-wheel motor
13. 7152067 - Secure multi database system including a plurality of database devices
14. 7078330 - Metal electrode and bonding method using the metal electrode
15. 6826291 - Method and system for embedding information into contents