Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5913835 | O-ring test method and apparatus for human body | Yoichiro Sako, Minoru Ohzeki, Tomoko Ono, Mitsuyoshi Yamamoto | 1999-06-22 |
| 5579783 | O-ring test method and apparatus for measuring muscular strength | Yoichiro Sako, Minoru Ohzeki, Tomoko Ono, Mitsuyoshi Yamamoto | 1996-12-03 |