Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8384884 | Range finder | — | 2013-02-26 |
| 8094372 | Telescope and binocular body member | Satoshi Arai, Masashi Tanaka, Hidenori Terasawa | 2012-01-10 |
| 6249186 | High-frequency power amplifier circuit and high-frequency power amplifier module | Hitoshi Ebihara, Masaki NAGANUMA, Fumitaka Iizuka | 2001-06-19 |
| 5940213 | Anti-vibration telescope | — | 1999-08-17 |
| 5854668 | Ophthalmoscopic camera illumination apparatus | — | 1998-12-29 |
| 5801807 | Ophthalmic illumination device having adjustable transmittance member and microscope for operation using the same | Eiji Satake, Ken Tomioka | 1998-09-01 |
| 5661537 | Ophthalmic auxiliary instrument and ophthalmic system using the same instrument | Masaru Okada | 1997-08-26 |
| 5627613 | Ophthalmological illumination device for observing an examined eye and method | — | 1997-05-06 |
| 5615049 | Internal focus objective lens | Masaaki Yanagisawa | 1997-03-25 |
| 5568319 | Aspherical eyepiece | Yasunori Ueno | 1996-10-22 |
| 5555040 | Ophthalmic illumination apparatus having a device that shades illuminating light | — | 1996-09-10 |
| 5285223 | Ophthalmic optical apparatus having an alignment optical system | Yasunori Ueno | 1994-02-08 |