Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123897 | High chromium heat resistant cast steel material and pressure vessel formed thereof | Akitsugu Fujita, Masatomo Kamata, Yasunori Tashiro | 2000-09-26 |
| 6016235 | Tape recorder and play-back device having upper and lower ring gears | Kunio Sawai, Masaaki Mitsuhashi | 2000-01-18 |
| 6007767 | High chromium heat resistant cast steel material | Akitsugu Fujita, Masatomo Kamata, Yasunori Tashiro | 1999-12-28 |