Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9906298 | Visible light transmitter, visible light receiver, visible light communication system, and visible light communication method | — | 2018-02-27 |
| 9594240 | Lighting apparatus, and optical inspection apparatus and optical microscope using the lighting apparatus | Nobuyuki Kimura, Masaki Takada, Mitsunori Numata | 2017-03-14 |
| 9453800 | Apparatus and method of inspecting a defect of an object | Akio Ishikawa, Mitsunori Numata | 2016-09-27 |
| 9256061 | Focus control apparatus and method | Harutaka Sekiya | 2016-02-09 |
| 9232202 | Visible light transmitter, visible light receiver, visible light communication system, and visible light communication method | — | 2016-01-05 |
| 9159528 | Electron beam apparatus | Takashi Ogawa, Yasutsugu Usami | 2015-10-13 |
| 8400573 | Polarization conversion optical system and liquid crystal projection apparatus including the same | — | 2013-03-19 |
| 6914865 | Device for correcting tilt aberration in an optical pickup and method therefor | — | 2005-07-05 |
| 6813234 | Optical pickup device and method of adjusting the same | Naoki Kaiho, Noriyoshi Takeya, Ichiro Morishita | 2004-11-02 |
| 6707053 | Tilt detector | — | 2004-03-16 |
| 6704152 | Light irradiating device, optical pickup device with the same, method of adjusting light irradiating device | Naoki Kaiho, Noriyoshi Takeya, Ichiro Morishita | 2004-03-09 |
| 6225638 | Disc discrimination device and disc discrimination method | Hirobumi Okada | 2001-05-01 |
| 5812329 | Pickup system | — | 1998-09-22 |