Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7648240 | Ophthalmic apparatus | Koji Nakajima, Toshifumi Mihashi | 2010-01-19 |
| 7223480 | Metal laminate and etching method therefor | Koji Hirota, Masanao Kobayashi, Minehiro Mori | 2007-05-29 |
| 7036933 | Model eye for eye characteristic measuring device and calibration method for the same | Tatsuo Yamaguchi, Toshifumi Mihashi, Yoko Hirohara | 2006-05-02 |
| 6676258 | Eye characteristic measurement apparatus with speckle noise reduction | Gaku Takeuchi, Masahiro Shibutani, Katsuhiko Kobayashi | 2004-01-13 |
| 6525883 | Optical characteristic measuring instrument | Yoko Hirohara, Toshifumi Mihashi | 2003-02-25 |