Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693571 | Method for mounting a semiconductor device by which deformation of leads is prevented | Hitoshi Kobayashi, Yuichi Asano, Kenji Kobayashi, Yuji Sakurai | 1997-12-02 |
| 5670094 | Method of and apparatus for producing ozonized water | Takayuki Saito, Ken Nakajima, Mitsuru Imai | 1997-09-23 |
| 5657305 | Optical information recording and reproducing apparatus including a total reflection surface or a light shield plate disposed between a polarized light separating surface and a detection device for light beam compensation | Koichiro Nishikawa | 1997-08-12 |
| 5647433 | Heat exchanger | — | 1997-07-15 |
| 5629911 | Optical information recording/reproduction apparatus including an integrated photodetector used in the detection of focusing and/or tracking error signals | — | 1997-05-13 |
| 5590710 | Heat exchanger | Rei Oikawa, Tomohiro Chiba, Jun Iwai | 1997-01-07 |