Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447139 | Driving assistance apparatus | — | 2022-09-20 |
| 8627531 | Vacuum cleaner and device having ion generator | Kohji Ninomiya, Shigenori Hato, Kazumasa Hayashi, Hiroshi Yoshimura, Yoshihiro Shimizu +4 more | 2014-01-14 |
| 7591043 | Vacuum cleaner and device having ion generator | Kohji Ninomiya, Shigenori Hato, Kazumasa Hayashi, Hiroshi Yoshimura, Yoshihiro Shimizu +4 more | 2009-09-22 |
| 6742220 | Nozzle unit for vacuum cleaner | Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Shigenori Hato, Taichi Tamura +3 more | 2004-06-01 |
| 6345408 | Electric vacuum cleaner and nozzle unit therefor | Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Shigenori Hato, Taichi Tamura +3 more | 2002-02-12 |
| 6189180 | Suction tool for an electric vacuum cleaner | Shigenori Hato, Noriaki Miyoshi, Kiyoshi Ishii, Yuji Ohnishi | 2001-02-20 |
| 5901411 | Suction tool for an electric vacuum cleaner | Shigenori Hato, Noriaki Miyoshi, Kiyoshi Ishii, Yuji Ohnishi | 1999-05-11 |
| 5557822 | Electric vacuum cleaner | Hiroshi Mikami, Taichi Tamura | 1996-09-24 |
| 4811448 | Cleaning device for a container | — | 1989-03-14 |