Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416608 | Image reading apparatus | Toshihiko Ueda, Tetsuji Niikawa, Mitsutoshi Yagoto | 1995-05-16 |
| 4805999 | Variable magnification lens system with constant object-image distance | Toshihiko Ueda | 1989-02-21 |
| 4790638 | Lens system for projecting images of microfilm | Satoshi Iwasaki, Toshihiko Ueda | 1988-12-13 |
| 4277149 | Modified gauss type lens system | — | 1981-07-07 |