Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012802 | Electronic apparatus including optical guide that guides light from light-emitting diode to outside of housing | Yuji Nakajima | 2006-03-14 |
| 6114836 | Apparatus and method for controlling a power source applicable to portable electronic equipment | Masahiko Hagiwara | 2000-09-05 |
| 6064179 | Battery set structure and charge/discharge control apparatus for lithium-ion battery | Hironori Ito, Shigeru Sekine, Masahiko Kasashima, Hisao Tsukazawa, Yuichiro Hino +12 more | 2000-05-16 |
| 6060864 | Battery set structure and charge/discharge control apparatus for lithium-ion battery | Hironori Ito, Shigeru Sekine, Masahiko Kasashima, Hisao Tsukazawa, Yuichiro Hino +12 more | 2000-05-09 |
| 5831412 | System for executing charge control of a secondary battery and detecting the capacitance thereof | Shizuo Morioka, Nobuyuki Hosoya, Yoshiaki Ukiya, Masayasu Tanaka | 1998-11-03 |
| 5694021 | System for executing charge control of a secondary battery and detecting the capacitance thereof | Shizuo Morioka, Nobuyuki Hosoya, Yoshiaki Ukiya, Masayasu Tanaka | 1997-12-02 |