Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9972155 | Coin processing device | Masashi Kondo, Ryoji KATAGIRI, Masaaki YAMAKI | 2018-05-15 |
| 9673070 | Dust collecting mechanism for groove machining head and groove machining apparatus | — | 2017-06-06 |
| 9640010 | Coin processing device | Ryoji KATAGIRI | 2017-05-02 |
| 5463188 | Coaxial cable | Yasuhiro Nohmi, Tadashi Yamaguchi, Kimio Matsuzawa, Hotaka Sakaguchi | 1995-10-31 |
| 5362925 | Multi-layered insulated wire for high frequency transformer winding | Tadashi Yamaguchi, Masataka Muramatsu | 1994-11-08 |
| 5326935 | Multi-layered insulated wire for high frequency transformer winding | Tadashi Yamaguchi, Masataka Muramatsu | 1994-07-05 |