Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475999 | Die-lateral extruding method and apparatus | Tsunehisa Sekiguchi, Kenji Iwata | 1995-12-19 |
| 4934552 | Sealed vessel and a process for producing the same | Osamu Usami, Tunehisa Sekiguchi, Norihito Kohama | 1990-06-19 |
| 4879796 | Valve inserting apparatus for an internal combustion engine | Katsumi Nakamura, Norio Honda, Kazufumi Tamura, Akifumi Kobayashi | 1989-11-14 |