Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254951 | Circuit for measuring discharging and charging current of a battery providing offset/drift voltage for correcting amplifier output | Seiji Goto, Kazuaki Tsunoda | 1993-10-19 |
| 5197091 | Portable telephone having a pipe member which supports a microphone | Hisamitsu Takagi, Masashi Tomura, Akihide Nishiyama, Hideharu Suzuki | 1993-03-23 |