Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7253228 | Method for producing polyurethane emulsion | Kazumi Mai, Masami Tutumi | 2007-08-07 |
| 4913750 | Amorphous magnetic wire | Keiichi Kakuno, Sumio Masuda | 1990-04-03 |
| 4713741 | Excitation control apparatus for rotary electric machine | — | 1987-12-15 |