Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989099 | Information medium substrate and information medium | Atsushi Koyama, Teppei Osawa, Tomoki Ushida, Kentaro Iida, Hideki Hijikata | 2011-08-02 |
| 7680018 | Optical recording medium, and manufacturing method and manufacturing device thereof | Tomoki Ushida, Kenji Yamaga | 2010-03-16 |
| 7625506 | Optical recording medium producing method, and optical recording medium producing device | Junichi Ide, Haruhiko Yamaguchi, Tomoki Ushida | 2009-12-01 |
| 7563402 | Apparatus for and method of manufacturing an optical disc | Yukio Kaneko, Yoshimi Yodokawa, Takeshi Umega, Tsuyoshi Komaki | 2009-07-21 |
| 7458088 | Intermediate for optical recording medium and method of manufacturing the optical recording medium | Junichi Ide, Tomoki Ushida, Kenji Yamaga, Atsushi Koyama | 2008-11-25 |
| 7368156 | Method for manufacturing discoid optical record medium and discoid optical record medium | Tomoki Ushida, Kenji Yamaga, Yoshimi Sakai | 2008-05-06 |
| 7348555 | Apparatus and method for irradiating electron beam | Kazushi Tanaka, Yukio Kaneko, Naoyuki Echigo, Hiroshi Tominaga, Akihiko Kizaki +1 more | 2008-03-25 |
| 7282726 | Apparatus and method for irradiating electron beam | Kazushi Tanaka, Yukio Kaneko, Naoyuki Echigo, Akihiko Kizaki, Hiroshi Tominaga +1 more | 2007-10-16 |
| 7270527 | Optical recording medium-manufacturing apparatus | Junichi Ide, Haruhiko Yamaguchi, Futoshi Kobayashi, Takeshi Umega, Tsuyoshi Itoh +1 more | 2007-09-18 |
| 7205038 | Optical recording medium and method for manufacturing the same | Junichi Satou, Yoshimi Sakai | 2007-04-17 |
| 7205558 | Electron beam irradiation apparatus, electron beam irradiation method, and apparatus for and method of manufacturing disc-shaped object | Kenji Yoneyama, Kazushi Tanaka | 2007-04-17 |
| 7193956 | Electron beam irradiation apparatus, electron beam irradiation method, and apparatus for and method of manufacturing disc-shaped object | Kazushi Tanaka, Kenji Yoneyama, Yukio Kaneko, Takeshi Umega | 2007-03-20 |
| 7193960 | Method of manufacturing optical recording medium and optical recording medium | Tsuyoshi Komaki, Kenji Yoneyama | 2007-03-20 |
| 7138165 | Intermediate for optical recording medium, mold, molding apparatus, and method of manufacturing optical recording medium | Atsushi Koyama, Kenji Yamaga, Mikio Domon | 2006-11-21 |
| 7096770 | Optical recording medium-manufacturing apparatus | Junichi Ide, Haruhiko Yamaguchi, Takeshi Umega, Futoshi Kobayashi, Tsuyoshi Itoh +1 more | 2006-08-29 |
| 7052759 | Optical recording medium | Junichi Satou, Yoshimi Sakai | 2006-05-30 |
| 7047859 | Optical recording medium-manufacturing apparatus | Junichi Ide, Takeshi Umega, Haruhiko Yamaguchi, Futoshi Kobayashi, Tsuyoshi Itoh +1 more | 2006-05-23 |
| 7044726 | Mold component and mold assembly | Atsushi Koyama, Kenji Yamaga, Mikio Domon, Kazuki Suzawa | 2006-05-16 |
| 6984433 | Optical recording medium and method of producing the same | Takeshi Umega, Hiroshi Kobayashi, Kazuki Suzawa | 2006-01-10 |
| 6977107 | Optical recording medium and method for making the same | Junichi Satou, Yoshimi Sakai, Akira Itoga | 2005-12-20 |
| 6924019 | Optical recording medium and production method therefor | Kazuki Suzawa | 2005-08-02 |
| 6844045 | Method for making optical information medium and optical information medium | Tsuyoshi Komaki, Hideki Hirata, Tomoki Ushida | 2005-01-18 |
| 6835434 | Method for manufacturing disc-shaped optical recording medium and disc-shaped substrate for optical recording medium | Hiroshi Takasaki, Hideki Ishizaki | 2004-12-28 |
| 5415914 | Optical recording disk | Hiroyuki Arioka, Kenji Uchiyama, Atsuko Motai, Toshiki Aoi | 1995-05-16 |
| 5325351 | Optical recording medium having a reflective layer made of Cu-Ag or Cu-Au alloy | Kenji Uchiyama | 1994-06-28 |