Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810726 | Wheel durability test equipment | Yoshiaki Hamada | 2004-11-02 |
| 5395254 | IC socket | — | 1995-03-07 |
| 4872850 | IC tester socket | Kazuhisa Ozawa | 1989-10-10 |
| 4799897 | IC tester socket | Kazuhisa Ozawa | 1989-01-24 |