Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490790 | Method of manufacturing preform for connecting rod | Ryuji Soga, Hiroshi Sugita, Kimio Momose, Yoshiro Akiyama | 2002-12-10 |
| 6427326 | Method of manufacturing connecting rod | Ryuji Soga, Hiroshi Sugita, Tadatomo Hatayama, Yousuke Yamazaki, Takashi Asada +4 more | 2002-08-06 |