Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691542 | Method and apparatus for manufacturing a cylindrical member, and cylindrical member having splines | Masaki Nakajima, Hideyuki Nagai, Takehiko Adachi | 2004-02-17 |
| 6508094 | Internally-toothed member, and method and apparatus for molding same | Masahiro Gotou, Masaki Saitou, Hideyuki Nagai, Hiroshi Katou | 2003-01-21 |
| 5934126 | Internally toothed member and method and apparatus for forming the same | Michio Maruki, Hideyuki Nagai, Noah Utsumi, Mitsuhiko Ando, Naoji Kato | 1999-08-10 |