Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10908525 | Bearing component, rotating device using the same, and image forming apparatus | Kazuki Kuramoto, Keiichiro Sato, Shuhei Yamazaki, Hirofumi Hamada | 2021-02-02 |
| 7737659 | Battery charging method | — | 2010-06-15 |
| 7642747 | Battery pack capable of detecting tampering | Shinichi Itagaki, Hitoshi Hamaguchi, Atsushi Kawasumi, Toru Nishikawa | 2010-01-05 |
| 5212439 | Charging apparatus with battery voltage monitoring circuitry | Masato Sano | 1993-05-18 |
| 4703247 | Battery apparatus for an electric shaver | — | 1987-10-27 |
| 4594777 | Electric shaver with a drive regulator | Yutaka Kimoto, Yasuo Mitani | 1986-06-17 |