42 US patents granted on 24 March 2015 and assigned to Hitachi
| 1 | D725,055 | Reaction tube |
| 2 | D725,045 | Electrical terminal |
| 3 | 8,990,532 | Method of managing memory in computer system, computer system and memory managing program |
| 4 | 8,990,523 | Storage apparatus and its data processing method |
| 5 | 8,990,443 | Computer system and management server |
| 6 | 8,990,374 | Method and apparatus of cloud computing subsystem |
| 7 | 8,990,372 | Operation managing device and operation management method |
| 8 | 8,990,141 | Method and system for performing root cause analysis |
| 9 | 8,989,981 | Vehicle motion control device |
| 10 | 8,989,828 | Superconducting magnet apparatus |
| 11 | 8,989,555 | Information processor |
| 12 | 8,989,339 | Zirconium alloy material |
| 13 | 8,989,337 | Method and apparatus for an expanding split bushing pipe plug assembly |
| 14 | 8,989,157 | Radio communication system, base station, and interference management scheme |
| 15 | 8,989,019 | Transmission system, managing computer, and logical path construction method |
| 16 | 8,988,989 | Communication node and communication system |
| 17 | 8,988,668 | Film thickness measurement apparatus and film thickness measurement method |
| 18 | 8,988,562 | Image processing apparatus and image processing method |
| 19 | 8,988,496 | Image processing apparatus |
| 20 | 8,988,462 | Ultrasonic diagnostic apparatus and ultrasonic image display method |
| 21 | 8,988,176 | Superconducting electromagnet device, cooling method therefor, and magnetic resonance imaging device |
| 22 | 8,988,160 | Data transmission system and semiconductor circuit |
| 23 | 8,988,019 | Electric operating machine |
| 24 | 8,987,680 | Multipole measurement apparatus |
| 25 | 8,987,645 | Substrate processing apparatus having rotatable slot-type antenna and method of manufacturing semiconductor device using the same |
| 26 | 8,987,146 | Method of manufacturing semiconductor device, method of processing substrate, substrate processing apparatus and non-transitory computer-readable recording medium |
| 27 | 8,986,885 | Lithium ion battery |
| 28 | 8,986,874 | Prismatic cell and production method for the same |
| 29 | 8,986,869 | Secondary battery and method of preparing the same |
| 30 | 8,986,834 | Polyester imide resin insulating coating material, insulated wire using same, and coil |
| 31 | 8,986,450 | Substrate processing apparatus and method of manufacturing semiconductor device |
| 32 | 8,986,428 | Air pollution control system, air pollution control method, spray drying device of dewatering filtration fluid from desulfurization discharged water, and method thereof |
| 33 | 8,986,210 | Ultrasound imaging apparatus |
| 34 | 8,985,973 | High-pressure fuel supply pump having electromagnetically-driven intake valve |
| 35 | 8,985,871 | Optical module |
| 36 | 8,985,284 | Disk brake |
| 37 | 8,985,265 | Electric power steering apparatus |
| 38 | 8,985,075 | Valve timing control system of internal combustion engine |
| 39 | 8,985,008 | Cylinder apparatus |
| 40 | 8,984,943 | Inspection apparatus and inspection method for lithium ion secondary battery, and secondary battery module |
| 41 | 8,984,710 | Blower apparatus and an air conveying apparatus |
| 42 | 8,984,684 | Magnetic resonance imaging device |
