Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056042 | Method of restoring used molding sand | Takehiko Matsumoto, Junichi Iwasaki, Eiji Yamaguchi | 2000-05-02 |
| 5794681 | Molding machine | Shigeo Oda, Ryoji Kanayama, Kuniyasu Mori, Kazuo Sugimoto, Kimikazu Kaneto | 1998-08-18 |
| 5675090 | Method for measuring the amount of an active clayey component contained in molding greensand | Tadashi Nishida | 1997-10-07 |
| 5618223 | Method and apparatus for recycling sand | Osamu Masuno, Takehiko Matsumoto | 1997-04-08 |
| 5507715 | Device for cleaning adhering material off of sand | Osamu Masuno, Iwao Tomita, Akio Isono, Takehiko Matsumoto, Tsuyoshi Murata +1 more | 1996-04-16 |