Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8286455 | Transformable metal surface hardening method | Hidetoshi Fujii, Yasufumi Yamaguchi, Yoya Fukuda | 2012-10-16 |
| 6110084 | Combined roll having excellent resistance to thermal shock | Jun Iwahashi, Naoshi Yamashita, Kouichi Mabuchi, Noriyuki Kakehashi, Noriaki MIWA | 2000-08-29 |
| 6019157 | Method of regenerating foundry sand | Tomohisa Kawaji | 2000-02-01 |
| 5804006 | Method for judging the properties of molten cast iron | Jun Iwahashi, Eiichi Sahara, Hidetaka Hiraoka, Mayuki Morinaka, Tsuneharu Sugie +1 more | 1998-09-08 |
| 4809762 | Method of casting a composite metal article | Hiroshi Ito, Terumi Nagao, Toshiki Takeda, Yohikuni Maruyama | 1989-03-07 |