Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810886 | Wide angle optical system | — | 2017-11-07 |
| 9563040 | Wide-angle optical system and endoscope | — | 2017-02-07 |
| 8730592 | Optical system | — | 2014-05-20 |
| 8467138 | Optical element and optical unit using the same | — | 2013-06-18 |
| 8456762 | Observation optical system | — | 2013-06-04 |
| 8331039 | Optical system | — | 2012-12-11 |
| 8310769 | Optical system | — | 2012-11-13 |
| 8284494 | Optical system | — | 2012-10-09 |
| 8040596 | Epi-illumination optical system for microscopes | — | 2011-10-18 |
| 7746566 | Observation optical system | — | 2010-06-29 |
| 7733574 | Illumination optical apparatus and optical apparatus | — | 2010-06-08 |
| 7480095 | Microscope | — | 2009-01-20 |
| 7436591 | EPI illumination optical system for microscopes | — | 2008-10-14 |
| 7248404 | Microscope | — | 2007-07-24 |
| 7141802 | Optical device and imaging method | Tetsuhide Takeyama | 2006-11-28 |
| 6912094 | Projection optical system, a projection exposure apparatus, and a projection exposure method | Koji Shigematsu, Youhei Fujishima, Miho Matsumoto | 2005-06-28 |
| 5940220 | Microscope objective lens with variable correction of aberrations imparted by transparent body between the specimen and the objective lens | Yutaka Suenaga | 1999-08-17 |
| H1763 | Microscope objective lens | — | 1998-12-01 |
| 5798870 | Microscope objective lens and microscope | — | 1998-08-25 |