Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234003 | Method of judging the lip turnover of a seal and apparatus for inserting a seal | Mitsuru Nakajima, Kenji Kobayashi | 2001-05-22 |
| 6226851 | Method for sliding a seal with a lip onto a shaft, method for uncurling the lip, and apparatus for sliding the seal thereonto | Mitsuru Nakajima | 2001-05-08 |
| 6223424 | Method for sliding a seal with a lip onto a shaft, method for uncurling the lip, and apparatus for sliding the seal thereonto | Mitsuru Nakajima | 2001-05-01 |
| 6212754 | Method for sliding a seal with a lip onto a shaft, method for uncurling the lip, and apparatus for sliding the seal thereonto | Mitsuru Nakajima | 2001-04-10 |
| 6053029 | Method of judging the lip turnover of a seal and apparatus for inserting a seal | Mitsuru Nakajima, Kenji Kobayashi | 2000-04-25 |