Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359278 | Zero current switching circuit and converting apparatus using the same | Yasuo Notohara, Motoo Futami, Kazuo Tahara | 1994-10-25 |
| 5351182 | Level shift circuit and inverter apparatus using the same | Hideki Miyazaki, Kouzou Watanabe, Yuhachi Takakura, Koichi Suda | 1994-09-27 |
| 5300872 | Method and apparatus for control of inverter | Shizuo Takahashi, Masaya Taniguchi, Hiroshi Maruyama, Seiji Ishida | 1994-04-05 |
| 5294872 | Method and apparatus for operating vacuum cleaner | Haruo Koharagi, Kazuo Tahara, Kunio Miyashita, Yoshitaro Ishii, Fumio Jyoraku +5 more | 1994-03-15 |