Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12206336 | Power converter | Koichiro Kushida, Yoshio Mizoguchi | 2025-01-21 |
| D1036380 | Filter box for converter | Daisuke Goto, Takeshi Obara | 2024-07-23 |
| D964277 | Box for converter | Daisuke Goto, Takeshi Obara | 2022-09-20 |
| 8335146 | Master disk exposing apparatus and the adjusting method therefor | — | 2012-12-18 |
| 8192194 | Mold and method for manufacturing the same | Kazunobu Hashimoto, Tetsuya Imai, Osamu Kasono | 2012-06-05 |
| 7632628 | Stamper and method for production thereof | Tetsuya Iida | 2009-12-15 |
| 7554896 | Electron beam recording apparatus | — | 2009-06-30 |
| 7276692 | Beam adjusting sample, beam adjusting method and beam adjusting device | Yoshiaki Kojima, Yasumitsu Wada, Hiroaki Kitahara | 2007-10-02 |
| 7225192 | Hybrid recording medium and information recording apparatus | Akihiro Tozaki, Kiyoshi Takei, Teruo Baba, Manahiko Hashiotani, Masami Suzuki +1 more | 2007-05-29 |
| 7065034 | Optical disc and apparatus for manufacturing a master disc therefor | — | 2006-06-20 |
| 6882615 | Optical disc and apparatus for manufacturing a master disc therefor | — | 2005-04-19 |
| 6849390 | Stamper-forming electrode material, stamper-forming thin film, and method of manufacturing optical disk | Tetsuya Iida, Nobuhiro Oda, Takashi Ueno | 2005-02-01 |
| 6695987 | Production method for optical disc | Tetsuya Iida, Takashi Ueno | 2004-02-24 |
| 6657934 | Information recording apparatus and method therefor | — | 2003-12-02 |
| 6344275 | Electrode material for forming stamper and thin film for forming stamper | Tetsuya Iida, Takashi Ueno | 2002-02-05 |
| 6307826 | Information recording medium and method for recording information thereon | Tetsuya Iida | 2001-10-23 |
| 5446722 | Information recording apparatus having magnetic shield means | Yoshiaki Kojima, Yasumitsu Wada | 1995-08-29 |
| 5195080 | Optical recording medium initializing method and apparatus | Toshihiro Komaki | 1993-03-16 |
| 5179547 | Phase change optical information recording medium including means for preventing movement of the recorded portion | Toshihiro Komaki, Hideo Kudo, Tomonori Ishizuki, Ryoichi Hirota, Seishi Maita | 1993-01-12 |