Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562157 | Manufacturing process of nickel-based alloy having improved high temperature sulfidation-corrosion resistance | Toshiaki Nonomura, Toshihiro Uehara, Hiroshi Yakuwa, Matsuho Miyasaka, Shuhei Nakahama +1 more | 2003-05-13 |
| 6527879 | Self-lubricating piston ring material for internal combustion engine and piston ring | Kunichika Kubota, Yoshiki Masugata | 2003-03-04 |