Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025655 | Impact test hammer | Teruo Irie | 1991-06-25 |
| 4978914 | Laminated board for testing electronic components | Mitsuru Akimoto, Takamasa Jimbo, Haruhiko Iwase, Kenzirou Ogawa | 1990-12-18 |