Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9636716 | Vacuum cleaning device | Atsushi Hirata, Yasuhiro Shigegaki, Tetsuya Hirata, Kazuo Miyoshi, Noboru Hiramoto | 2017-05-02 |
| 9618267 | Graphitization furnace and method for producing graphite | Kazumi Mori | 2017-04-11 |