Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6837355 | Clutch including spun rotor having hardened depressions | Masao Nakano, Masahito Ooya, Alice Schneider, Peter Alderman, Dean Bremke +3 more | 2005-01-04 |
| 5865880 | Air cleaning system having forced negative pressure generating function | — | 1999-02-02 |
| 5264015 | Screen having an air cleaning function | — | 1993-11-23 |
| 5096467 | Artificial tornado generating mechanism and method of utilizing generated artificial tornados | — | 1992-03-17 |
| 4732577 | Process for separating carbon monoxide having substantially constant purity | Susumu Koizumi, Kyoichi Kawata | 1988-03-22 |
| RE32590 | Methods for obtaining high-purity carbon monoxide | Toshikazu Sakuraya, Tetsuya Fujii, Shigeki Hayashi | 1988-02-02 |
| 4539020 | Methods for obtaining high-purity carbon monoxide | Toshikazu Sakuraya, Tetsuya Fujii, Shigeki Hayashi | 1985-09-03 |