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Yasuhiro Obara Patents |
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Inventor: Obara; Yasuhiro
Address: Hitachinaka, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7256125 |
Method of manufacturing a semiconductor device |
August 14, 2007 |
| For improving the reliability of a semiconductor device having a stacked structure of a polycrystalline silicon film and a tungsten silicide film, the device is manufactured by forming a polycrystalline silicon film, a tungsten silicide film and an insulating film successively over a gat |
| 6959228 |
Method of protecting data stored in a memory of welding controller |
October 25, 2005 |
| A method of protecting data stored in a memory of a welding controller provided with an EEPROM as a storage element capable of storing welding control data in a welding controller, thereby enhancing reliable protection of data stored in the EEPROM. The method of protecting data store |
| 6813538 |
Welding system |
November 2, 2004 |
| A welding system is capable of shortening length of connection lines and of effectively utilizing devices as a whole. The system includes a welding controller provided with an I/O interface, a controller unit provided with a programmable logic controller and connected to the I/O interfac |
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