Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682046 | Heterojunction bipolar semiconductor device and its manufacturing method | Tsuyoshi Takahashi, Kazukiyo Joshin, Shigehiko Sasa | 1997-10-28 |
| 5680259 | Wide angle lens | — | 1997-10-21 |
| 5677258 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Makoto Kyogoku, Hideharu Iwakuni, Kenji Okamoto +3 more | 1997-10-14 |
| 5661372 | Stroboscopic instrument having a gate-controlled-switching element and a step-up power means therefor | Toshiaki Ishimaru | 1997-08-26 |
| 5653186 | Apparatus and method for controlling sewing machine | Satomi Yamauchi, Hisaaki Tsukahara, Osamu Gouta | 1997-08-05 |
| 5627725 | Dustproof structure for an electronic apparatus having a display portion | Masataka Suzuki | 1997-05-06 |
| 5617255 | Camera lens system | — | 1997-04-01 |
| 5609016 | Gas turbine apparatus and method of operating same on gaseous fuel | Tadanobu Negishi, Yoshitsugu Honda | 1997-03-11 |
| 5607135 | Tablet stand | — | 1997-03-04 |