Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7355266 | Semiconductor wafer test system | — | 2008-04-08 |
| 7151003 | Semiconductor wafer test system | — | 2006-12-19 |
| 6812766 | Input/output circuit of semiconductor integrated circuit | Tadayoshi Seike, Masanori Hirofuji | 2004-11-02 |
| 6603316 | Semiconductor wafer test system | — | 2003-08-05 |
| 4914411 | Electro-magnetic relay | Hiroshi Hikita, Katsumi Shibata, Hiroshi Yoshikawa | 1990-04-03 |
| 4529336 | Method of distributing and transporting powdered or granular material | Yoshinobu Shinozaki, Motozo Yasuno, Tadaaki Iwamura, Hironari Marushima, Yoshiteru Tagawa +6 more | 1985-07-16 |