Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9958600 | Light-source device and display apparatus | Yoshinari Kawazu, Atsushi Koumura, Arimasa Sugimoto, Yoshihiro Murakami, Kazuhiko Negoro | 2018-05-01 |
| 9880410 | Display apparatus | — | 2018-01-30 |
| 8437078 | Binoculars | — | 2013-05-07 |
| 7561349 | Telescope and lens cap | — | 2009-07-14 |
| 6751716 | Semiconductor storage device, control device, and electronic apparatus | Ken Sumitani, Hidekazu Takata, Yuji Tanaka | 2004-06-15 |
| 6412958 | Binoculars and optical device provided with via-rotation-drawable type eye cup | — | 2002-07-02 |
| 6210007 | Stereomicroscope having a closing member for protecting lenses | — | 2001-04-03 |
| 5946133 | Focusing apparatus for an optical apparatus | — | 1999-08-31 |
| 5841576 | Microscope capable of being fitted with strap | — | 1998-11-24 |
| 5030003 | Apparatus for measuring optical characteristic of spectacles | Toru Iwane | 1991-07-09 |