Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742220 | Nozzle unit for vacuum cleaner | Kiyomu Nagai, Genji Kosaka, Mikio Yagi, Shigenori Hato, Taichi Tamura +3 more | 2004-06-01 |
| 6553613 | Electric vacuum cleaner | Yuji Onishi, Kazumasa Hayashi, Kiyomu Nagai, Teruhisa Inoue | 2003-04-29 |
| 6345408 | Electric vacuum cleaner and nozzle unit therefor | Kiyomu Nagai, Genji Kosaka, Mikio Yagi, Shigenori Hato, Taichi Tamura +3 more | 2002-02-12 |
| 4885766 | Remote control device using a telephone line | Norio Yasuoka, Takehiro Kobayashi, Yasuyuki Hatakeyama, Yoshiyuki Aoto, Jiro Itogawa | 1989-12-05 |
| 4847899 | Power circuit for telephone accessory devices | — | 1989-07-11 |