Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10814408 | Replaceable-tip cutting tool main body and replaceable-tip cutting tool | Jiro Osawa | 2020-10-27 |
| 8257144 | Neck portion grinding apparatus and grinding device employed in the neck portion grinding apparatus | Wataru Aoki, Hirotsugu Takahama, Masakazu Nakamura, Yasuo Hamatake, Jiro Osawa | 2012-09-04 |
| 7320566 | Cutting tool including detachable cutter head | Jiro Osawa, Katsutoshi Watanabe | 2008-01-22 |
| 7293945 | Non-rotary cutting tool and process of machining scroll member by using the same | Hideaki Matsuhashi | 2007-11-13 |
| 7237992 | Process of machining scroll member by using non-rotary cutting tool | Hideaki Matsuhashi | 2007-07-03 |
| 4248625 | Method of operating a blast furnace | Sakae Tamura, Kyoji Okabe, Tsuyoshi Fukutake, Seiji Taguchi, Mitsuo Saino +1 more | 1981-02-03 |