Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359278 | Zero current switching circuit and converting apparatus using the same | Yasuo Notohara, Motoo Futami, Tsunehiro Endo | 1994-10-25 |
| 5294872 | Method and apparatus for operating vacuum cleaner | Haruo Koharagi, Tsunehiro Endo, Kunio Miyashita, Yoshitaro Ishii, Fumio Jyoraku +5 more | 1994-03-15 |