Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326306 | Method for producing nitriding steel | Kazuo Ishii, Yoshihiro Odagiri | 2008-02-05 |
| 6575198 | Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction | Nobuyuki Yoshitoshi, Hiroto Yanagibayashi, Hirokazu Shirai, Akihiro Suzuki, Noriyuki Sato +5 more | 2003-06-10 |
| 6360782 | Exhaust pipe assembly of two-passage construction | Nobuyuki Yoshitoshi, Akihiro Suzuki, Kazuhiro Furuhashi, Hiroto Yanagibayashi, Kazuo Ishii +2 more | 2002-03-26 |