Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691396 | Polysiloxane compounds and positive resist compositions | Katsuya Takemura, Junji Tsuchiya, Toshinobu Ishihara | 1997-11-25 |
| 5678136 | Image forming apparatus with charging member supplied with first and second DC voltages of opposite polarities | Nobuyuki Kume, Hiroshi Matsumoto, Sorin Den | 1997-10-14 |
| 5659651 | Submarine repeater structure | — | 1997-08-19 |
| 5640450 | Speech circuit controlling sidetone signal by background noise level | — | 1997-06-17 |
| 5614656 | Colliding G simulation apparatus | Katsuaki Toda, Tadahiro Ohtsuka | 1997-03-25 |