Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8426754 | Electrical contact for vacuum valve | Shigeru Kikuchi, Satoru Kajiwara, Masato Kobayashi | 2013-04-23 |
| 7061090 | Semiconductor device | Tatsuo Yamazaki | 2006-06-13 |
| 7002244 | Semiconductor device | Satoshi Matsuyoshi, Chikara Makajima | 2006-02-21 |