Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8252273 | Ultraviolet absorber | Haruo Saito | 2012-08-28 |
| 8199416 | Imaging lens and imaging apparatus | — | 2012-06-12 |
| 8064319 | Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device | Toshiaki Katsuma, Tetsuya Ori, Yu Kitahara | 2011-11-22 |
| 8009544 | Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device | Toshiaki Katsuma, Tetsuya Ori, Yu Kitahara | 2011-08-30 |
| 7995290 | Objective lens, optical pickup device, and optical recording/reproducing apparatus | Toshiaki Katsuma, Tetsuya Ori, Yu Kitahara | 2011-08-09 |
| 7697221 | Imaging lens and imaging device | — | 2010-04-13 |
| 7680014 | Objective optical system and optical pickup device using it | Tetsuya Ori, Yu Kitahara, Toshiaki Katsuma | 2010-03-16 |
| 7662852 | Compounds and preparations having antiviral effect | Haruo Saito, Hideo Nemoto, Naoiki Yamamoto, Masao Hattori | 2010-02-16 |
| 7656594 | Color image readout lens and color image readout apparatus | Yu Kitahara, Ryoko Otomo | 2010-02-02 |
| 7613098 | Objective optical system for optical recording media and optical pickup device using it | Toshiaki Katsuma, Yu Kitahara, Tetsuya Ori | 2009-11-03 |
| 7589914 | Molded lens | Toshiaki Katsuma, Yu Kitahara, Tetsuya Ori | 2009-09-15 |
| 7502299 | Objective optical system and optical pickup device using it | Tetsuya Ori, Toshiaki Katsuma, Yu Kitahara | 2009-03-10 |
| 7480105 | Imaging lens and imaging apparatus | — | 2009-01-20 |
| 7457223 | Objective lens for optical recording media and optical pickup device using it | Toshiaki Katsuma, Yu Kitahara, Tetsuya Ori | 2008-11-25 |
| 7443779 | Objective optical system for optical recording media and optical pickup device using it | Yu Kitahara, Tetsuya Ori, Toshiaki Katsuma, Hiromitsu Yamakawa | 2008-10-28 |
| 7417806 | Lens with reference mounting surface | Toshiaki Katsuma, Yu Kitahara, Makoto Oomura, Yoko Yamamoto | 2008-08-26 |
| 7361785 | Compound protecting against ultraviolet rays | Haruo Saito, Masako Nakagawa, Atsushi Nishida | 2008-04-22 |
| 7286463 | Objective lens and optical pickup device using it | Yu Kitahara, Toshiaki Katsuma, Tetsuya Ori | 2007-10-23 |
| 7220064 | Coupling optical system for optical communications | Yu Kitahara, Makoto Oomura, Yoko Yamamoto, Toshiaki Katsuma | 2007-05-22 |
| 6938341 | Method for manufacturing an ink discharge port of an ink jet recording head | Jun Koide, Sadayuki Sugama | 2005-09-06 |
| 6697202 | Retrofocus imaging lens | — | 2004-02-24 |
| 6650487 | Color image readout lens and device using the same | — | 2003-11-18 |
| 6622026 | Radio wave receiving and recording apparatus | Hiroyuki Ishinaga, Ichiro Saito, Yoshiyuki Imanaka, Nobuyuki Matsumoto, Yoichi Taneya +1 more | 2003-09-16 |
| 6530651 | Liquid ejecting head, liquid ejecting method, and method for manufacturing liquid ejecting head | Masahiko Kubota, Masanori Takenouchi, Sadayuki Sugama | 2003-03-11 |
| 6439701 | Liquid discharge head, head cartridge and liquid discharge apparatus | Yoichi Taneya, Sadayuki Sugama, Hiroyuki Ishinaga | 2002-08-27 |