Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237229 | Magnetic bearing device with a rotating magnetic field | — | 1993-08-17 |
| 4947209 | Copying machine control apparatus | Satoru Maeno, Norio Fukuyama | 1990-08-07 |
| 4837493 | System for driving drum | Satoru Maeno, Norio Fukuyama, Senzo Kyutoku, Thutomu Nakamura | 1989-06-06 |
| 4298522 | Diphenylamine derivatives and degradation inhibitors for rubber polymers | Mitsuhiro Tamura, Hiroshi Sakurai | 1981-11-03 |