DOI; Kazuhiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for DOI; Kazuhiko.The latest application filed is for "plasma separation apparatus and plasma separation method".
- DOI; Kazuhiko - Morioka-city JP
- Doi; Kazuhiko - Tokyo JP
- Doi; Kazuhiko - Narita JP
| Patent | Date |
|---|---|
| Plasma Separation Apparatus And Plasma Separation Method App 20190242870 - DOI; Kazuhiko ; et al. | 2019-08-08 |
| Temperature compensator circuit for an induction motor Grant 5,396,161 - Doi , et al. March 7, 1 | 1995-03-07 |
| Speed control system for elevators Grant 4,982,816 - Doi , et al. January 8, 1 | 1991-01-08 |
| Control for variable frequency drive Grant 4,903,187 - Doi , et al. February 20, 1 | 1990-02-20 |
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