39 US patents granted on 01 April 2014 and assigned to Hitachi
| 1 | 8,688,950 | Mainframe storage apparatus that utilizes thin provisioning |
| 2 | 8,688,941 | System and method for controlling automated page-based tier management in storage systems |
| 3 | 8,688,939 | Storage system and storage subsystem |
| 4 | 8,688,932 | Virtual computer system and method of controlling the same |
| 5 | 8,688,916 | Storage system and data processing method using cache memory |
| 6 | 8,688,909 | Storage apparatus and data management method |
| 7 | 8,688,632 | Information processing system and method of controlling the same |
| 8 | 8,688,484 | Method and system for managing computer resource in system |
| 9 | 8,688,359 | Idle stop control method and control device |
| 10 | 8,687,921 | Image processing apparatus, image processing method, and image processing program |
| 11 | 8,687,758 | Method for managing internal equipment in reactor pressure vessel and apparatus thereof |
| 12 | 8,687,644 | Packet transfer device |
| 13 | 8,687,643 | Data transmission device |
| 14 | 8,687,374 | Electronic controller for vehicle |
| 15 | 8,687,319 | Magnetic recording apparatus with magnetic recording head capable of recording information on a magnetic recording medium |
| 16 | 8,687,309 | Magnetic recording media and magnetic recording system |
| 17 | 8,687,263 | Light control film |
| 18 | 8,687,148 | Liquid crystal display device |
| 19 | 8,686,827 | PTC element and heating-element module |
| 20 | 8,686,694 | Discharge circuit for smoothing capacitor of DC power supply |
| 21 | 8,686,675 | Power tool |
| 22 | 8,686,383 | Object holding apparatus, and inspection apparatus |
| 23 | 8,686,380 | Charged particle beam apparatus |
| 24 | 8,686,360 | Micro-sample processing method, observation method and apparatus |
| 25 | 8,686,352 | Systems and computer program products for mass spectrometry |
| 26 | 8,686,293 | Silane-crosslinked polyolefin insulated wire |
| 27 | 8,686,291 | Insulating varnish and insulated wire formed by using the same |
| 28 | 8,685,872 | Low softening point glass composition, bonding material using same and electronic parts |
| 29 | 8,685,866 | Method of manufacturing semiconductor device and substrate processing apparatus |
| 30 | 8,685,573 | Cathode active material and lithium ion rechargeable battery using the material |
| 31 | 8,685,556 | Electricity storage module |
| 32 | 8,685,536 | Polyamide-imide resin insulating coating material, insulated wire and method of making the same |
| 33 | 8,685,316 | Ni-based heat resistant alloy, gas turbine component and gas turbine |
| 34 | 8,685,220 | Capillary electrophoresis apparatus |
| 35 | 8,684,702 | Variable displacement pump |
| 36 | 8,684,473 | Gear pump and gear pump for brake apparatus |
| 37 | 8,684,148 | Disc brake |
| 38 | 8,684,106 | Battery pack and motor-driven tool using the same |
| 39 | 8,683,864 | Micro electro mechanical system |