Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7038995 | Optical pickup for optically reading/writing data including convergent and aberration correction optical systems | Yukio Kurata | 2006-05-02 |
| 7031064 | Method of microlens array and projection type of liquid crystal display apparatus | Yukio Kurata, Yoshihiro Sekimoto, Kuniaki Okada, Noboru Fujita, Yukiko Nagasaka +1 more | 2006-04-18 |
| 6937381 | Optical pickup device | Yukio Kurata, Tetsuo Iwaki | 2005-08-30 |
| 6822799 | Exposing apparatus and exposing method for microlens array | Kuniaki Okada, Yoshihiro Sekimoto, Yukio Kurata, Hiroshi Nakanishi | 2004-11-23 |
| 6744568 | Objective lens, method for correcting manufacturing error thereof, and optical pick-up device using the same | Yukio Kurata, Takeshi Yamaguchi, Tetsuo Iwaki | 2004-06-01 |
| 6741406 | Objective lens, optical pickup-device equipped with same and assembling method of same | Yukio Kurata, Tetsuo Iwaki | 2004-05-25 |
| 6487015 | Diffraction grating having multiple gratings with different cycles for generating multiple beams and optical pickup using such diffraction grating | Yukio Kurata, Takeshi Yamaguchi, Tetsuo Ueyama | 2002-11-26 |
| 6451243 | Method of molding heat-resistant containers | Minoru Takada, Koichi Sato, Kazuyuki Yokobayashi, Atsushi Sakurai | 2002-09-17 |
| 6438089 | Optical pickup device | Yukio Kurata, Tetsuo Iwaki | 2002-08-20 |
| 6388822 | Optical pickup device and optical recording medium | Yukio Kurata, Tetsuo Iwaki | 2002-05-14 |
| 6191894 | Zoom lens and imaging device incorporating the same | Tetsuo Iwaki | 2001-02-20 |
| 5975880 | Apparatus and method of molding heat-resistant containers | Minoru Takada, Koichi Sato, Kazuyuki Yokobayashi, Atsushi Sakurai | 1999-11-02 |
| 5753175 | Method of molding a heat-resistant container and a set of molds for the method | Koichi Sato, Kazuyuki Yokobayashi, Yoichi Tuchiya | 1998-05-19 |