Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498885 | Semiconductor nonlinear waveguide and optical switch | Kazuhito Tajima | 2002-12-24 |
| 6495598 | Perfusate preparation for ophthalmic operation | Toyoaki Yoneda, Nobuhisa Naoi, Hiroaki Miichi, Toshinao Hata, Fumio Saito +1 more | 2002-12-17 |
| 6487161 | Objective lens and optical head for optical disc drive | Koichi Maruyama | 2002-11-26 |
| 6477129 | Optical disc drive | Koichi Maruyama, Takeshi Shimano, Akira Arimoto, Kazuo Shigematsu | 2002-11-05 |
| 6445659 | Information recording/reproducing apparatus and method and information recording medium | Tsuyoshi Toda, Takeshi Maeda | 2002-09-03 |
| 6430131 | Optical information reproducing device | Takeshi Maeda, Koichiro Wakabayashi | 2002-08-06 |
| 6400664 | Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams | Takeshi Shimano, Kunikazu Ohnishi, Masayuki Inoue, Yukio Fukui | 2002-06-04 |
| 6395835 | Thermocurable resin composition for coating | Yasushi Nakao | 2002-05-28 |
| 6396790 | Optical head and information recording and reproducing apparatus using it | Kouji Arikawa, Kazuo Shigematsu | 2002-05-28 |