Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272079 | Optical head unit for optical disk apparatus having both focus control and track control function | Nobuyuki Kanto, Haruhiko Izumi, Satoshi Shimokawa, Shingo Hamaguchi, Akihiko Makita +3 more | 2001-08-07 |
| 6185166 | Optical information recording/reproducing apparatus | Kyoko Miyabe, Satoshi Itami, Tohru Fujimaki, Kazushi Uno | 2001-02-06 |
| 5918662 | Method of controlling the operation of continuous casting and apparatus therefor | Akio Nagamune, Hiroshi Maeda, Hiroaki Miyahara, Atsushi Ohta, Akira Ohsumi | 1999-07-06 |
| 5859819 | Tracking and focus control system for optical disk apparatus | Kyoko Miyabe, Shingo Hamaguchi | 1999-01-12 |
| 5793725 | Optical information recording/reproducing apparatus having a composite prism with a plurality of emission surfaces | Kyoko Miyabe, Satoshi Itami, Tohru Fujimaki | 1998-08-11 |
| 5742572 | Optical information recording/reproducing apparatus which detects focal error | Kyoko Miyabe | 1998-04-21 |
| RE35607 | Distance measuring method and apparatus therefor | Akio Nagamune, Yoshiyuki Kanao | 1997-09-16 |
| 5623462 | Optical information recording/reproducing apparatus | Kyoko Miyabe, Satoshi Itami, Tohru Fujimaki | 1997-04-22 |
| 5619482 | Optical head unit for an optical disk using a diffraction grating | Kyoko Miyabe, Shingo Hamaguchi | 1997-04-08 |
| 5600618 | Optical data recording/reproducing device and integrated head | Kyoko Miyabe | 1997-02-04 |
| 5323114 | Method and apparatus for obtaining sectional information of the underground by measuring time differences and strength of electromagnetic signals | Akio Nagamune, Isamu Komine | 1994-06-21 |
| 5075863 | Distance measuring method and apparatus therefor | Akio Nagamune, Yoshiyuki Kanao | 1991-12-24 |
| 4469062 | Intake port of internal combustion engine | Shinzi Ikegami | 1984-09-04 |