Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10183895 | Method for suppressing rear face oxidation of carbon-containing refractory, lining structure, and carbon-containing refractory | Akihiko Inoue | 2019-01-22 |
| 7459409 | Unshaped refractories | — | 2008-12-02 |
| 6288001 | Graphite-containing monolithic refractory material | Masato Kumagai, Masao Nanbu, Shigenobu Takata, Masakazu Iida, Noboru Komatsubara +1 more | 2001-09-11 |
| 5380476 | Method of debinding for injection molded objects | Masakazu Matsushita, Hiroshi Ohtsubo, Junichi Ohta | 1995-01-10 |
| 5338508 | Alloy steel powders for injection molding use, their compounds and a method for making sintered parts from the same | Minoru Nitta, Yukio Makiishi, Hiroshi Ohtsubo, Toshio Watanabe, Yasuhiro Habu | 1994-08-16 |
| 5135566 | Iron base powder mixture and method | Ichio Sakuranda, Ritsuo Okabe, Takao Omura, Shigeaki Takajo | 1992-08-04 |
| 5108492 | Corrosion-resistant sintered alloy steels and method for making same | Hiroshi Ohtsubo, Junichi Ohta, Masakazu Matsushita, Ichio Sakurada | 1992-04-28 |
| 5098648 | Production process for sintered Fe-Co type magetic materials | Osamu Furukimi | 1992-03-24 |
| 5067979 | Sintered bodies and production process thereof | Junichi Ohta, Hiroshi Ohtsubo, Shigeaki Takajo | 1991-11-26 |
| 5055128 | Sintered Fe-Co type magnetic materials | Osamu Furukimi | 1991-10-08 |
| 5006164 | Starting material for injection molding of metal powder | — | 1991-04-09 |
| 4964907 | Sintered bodies and production process thereof | Junichi Ohta, Hiroshi Ohtsubo, Shigeaki Takajo | 1990-10-23 |
| 4946499 | Method of preparing iron base powder mixture for pm | Ichio Sakuranda, Ritsuo Okabe, Takao Omura, Shigeaki Takajo | 1990-08-07 |
| 4867943 | Starting material for injection molding of metal powder and method of producing sintered parts | — | 1989-09-19 |