Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676192 | Cast-in process | Fujio Itabashi, Kaoru Kamibayashi, Akira Fujiwara, Noriyuki Yamada | 1997-10-14 |
| 5660938 | Fe-Ni-Cr-base superalloy, engine valve and knitted mesh supporter for exhaust gas catalyzer | Koji Sato, Takehiro Ohno, Katsuaki Sato | 1997-08-26 |