Issued Patents All Time
Showing 25 most recent of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350568 | Golf swing analysis system, golf swing analysis method, and information storage medium | Ryuji Iwaya, Masahiro KUWAHARA, Takumi Umemura, Yosuke Shimada | 2025-07-08 |
| 11222182 | Server device, servicing method, and program | Takumi Umemura, Keigo Tsuchiya | 2022-01-11 |
| 8203913 | Recording/reproduction apparatus and recording/reproduction system | Kazuhiro Hongo | 2012-06-19 |
| 8023365 | Optical near-field generating device, optical near-field generating method and information recording and reproducing apparatus | Kazuhiro Hongo | 2011-09-20 |
| 7547868 | Optical near-field generating apparatus and method and information recording and reproducing apparatus | Kazuhiro Hongo | 2009-06-16 |
| 7454771 | Optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2008-11-18 |
| 7420892 | Optical head device, and optical recording/reproducing device | Takakiyo Kanazawa, Kenji Yamamoto, Masahiro Yamada, Tadashi Taniguchi | 2008-09-02 |
| 7403464 | Lens and combination lens | Masahiro Yamada | 2008-07-22 |
| 7305689 | Optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2007-12-04 |
| 7256950 | Optical device, optical system, method of production of same, and mold for production of same | Masahiro Yamada, Akira Kouchiyama | 2007-08-14 |
| 7064906 | Optical pickup device with shielding to limit incident or emitted light | Masahiro Yamada, Takahiro Miura, Takakiyo Kanazawa, Sunao Aoki | 2006-06-20 |
| 6992842 | Optical device, optical system, method of production of same, and mold for production of same | Masahiro Yamada, Akira Kouchiyama | 2006-01-31 |
| 6985310 | Optical device, optical system, method of production of same, and mold for production of same | Masahiro Yamada, Akira Kouchiyama | 2006-01-10 |
| 6972912 | Optical device, optical system, method of production of same, and mold for production of same | Masahiro Yamada, Akira Kouchiyama | 2005-12-06 |
| 6966707 | Optical pickup | Masahiro Yamada | 2005-11-22 |
| 6898027 | Optical element and manufacturing method for same | Masahiro Yamada, Takahiro Miura, Takakiyo Kanazawa, Sunao Aoki | 2005-05-24 |
| 6896419 | Optical pickup | Masahiro Yamada | 2005-05-24 |
| 6825995 | Optical device, optical system, method of production of same, and mold for production of same | Masahiro Yamada, Akira Kouchiyama | 2004-11-30 |
| 6785222 | Read-only optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2004-08-31 |
| 6747943 | Optical recording medium and disc cartridge | Naohiro Netsu, Yoshitaka Aoki, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2004-06-08 |
| 6717738 | Optical element, metal mold for producing optical element and production method for optical element | Masahiro Yamada | 2004-04-06 |
| 6704275 | Optical recording medium and disc cartridge having 2 GB capacity | Naohiro Netsu, Yoshitaka Aoki, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2004-03-09 |
| 6496450 | Optical recording/reproducing apparatus, optical rotating recording medium, and method of designing optical recording/reproducing apparatus | — | 2002-12-17 |
| RE37428 | Magneto-optical disk system with specified thickness for protective layer on the disk relative to the numerical aperture of the objective lens | Yoshio Aoki | 2001-10-30 |
| 6262948 | Optical disk having a protective layer specified thickness relative to the NA of an objective lens and the wavelength of light source | Yoshio Aoki | 2001-07-17 |