Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648653 | Optical filter having alternately laminated thin layers provided on a light receiving surface of an image sensor | Seitoku Tsukamoto, Mitsuharu Sawamura, Motomu Fukasawa | 1997-07-15 |
| 5642289 | Drum lead measuring method and apparatus capable of precisely evaluating lead shape | Taketo Miyashita | 1997-06-24 |