Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264053 | Production method for a vehicular endless track bushing | Masahiro Nakajima, Isao Yoshida, Yoshio Hamajima, Hiroyuki Takeno | 1993-11-23 |
| 5049207 | Heat treatment process for bushing used in track of endless track tractor | Takahiko Sahara, Masayoshi Kaneko, Masahiro Nakajima, Toshihiko Sato | 1991-09-17 |