Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706244 | Information recording media and playback power determining method for signal playback | Soichiro Eto, Hiroyuki Minemura | 2010-04-27 |
| 7680025 | Optical information recording medium, reproducing method thereof, and manufacturing method thereof | Harukazu Miyamoto, Yumiko Anzai, Hiromi Kudo | 2010-03-16 |
| 7426174 | Information recording medium having pair of electrodes | Motoyasu Terao, Harukazu Miyamoto, Kyoko Kojima, Yuko Tsuchiya | 2008-09-16 |
| 7358031 | Optical information recording medium, optical information recording device and manufacturing method of optical information medium | Hiroki Yamamoto, Takashi Naito | 2008-04-15 |
| 7169334 | Optical information recording medium | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasuo Imanishi, Motoyasu Terao +1 more | 2007-01-30 |
| 7041430 | Information recording media, manufacturing technique and information recording method | Makoto Miyamoto, Akemi Hirotsune, Takahiro Kurokawa, Keikichi Andoo, Yumiko Anzai | 2006-05-09 |
| 6977883 | Information recording medium having pair of electrodes | Motoyasu Terao, Harukazu Miyamoto, Kyoko Kojima, Yuko Tsuchiya | 2005-12-20 |
| 6922386 | Optical disk apparatus | Harukazu Miyamoto, Takeshi Maeda, Takeshi Shimano, Takahiro Kurokawa | 2005-07-26 |
| 6844092 | Optically functional element and production method and application therefor | Hiroki Yamamoto, Takashi Naito, Ken Takahashi, Motoyasu Terao, Fumiyoshi Kirino +5 more | 2005-01-18 |
| 6790502 | Optically functional element and production method and application therefor | Hiroki Yamamoto, Takashi Naito, Ken Takahashi, Motoyasu Terao, Fumiyoshi Kirino +5 more | 2004-09-14 |
| 6783832 | Information recording medium | Motoyasu Terao, Keikichi Andoo | 2004-08-31 |
| 6728197 | Optical disk having a plurality of information recording units | Harukazu Miyamoto, Takeshi Maeda, Takahiro Kurokawa, Tetsuo Ariyoshi, Hirofumi Sukeda | 2004-04-27 |
| 6723411 | Information recording medium and method for manufacturing an information recording medium | Akemi Hirotsune, Makoto Miyamoto, Keikichi Andoo, Yumiko Anzai, Takahiro Kurokawa | 2004-04-20 |
| 6667946 | Optical information recording medium | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasuo Imanishi, Motoyasu Terao +1 more | 2003-12-23 |
| 6524766 | Optical disk medium | Tetsuo Ariyoshi, Motoyasu Terao, Takeshi Shimano | 2003-02-25 |
| 6440517 | Glass material | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasutaka Suzuki, Ken Takahashi +1 more | 2002-08-27 |
| 6411591 | Optical recording medium and optical memory device | Koichi Moritani, Akemi Hirotsune, Motoyasu Terao, Yasushi Miyauchi, Takashi Naito +2 more | 2002-06-25 |
| 6177169 | Optical information recording medium | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasutaka Suzuki, Ken Takahashi +1 more | 2001-01-23 |
| 5985401 | Optical information recording medium | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasutaka Suzuki, Ken Takahashi +1 more | 1999-11-16 |
| 5946281 | Laminated proximity field optical head and optical information recording and reproducing device | Kenchi Ito | 1999-08-31 |
| 5796706 | Information recording apparatus | Ryo Imura, Kimio Nakamura, Sumio Hosaka | 1998-08-18 |
| 5734632 | Optical head using evanescent light and optical data recording/reproducing apparatus and method of using the same | Kenchi Ito | 1998-03-31 |
| 5615192 | Information recording and reproducing method and apparatus | Atsushi Kikukawa, Sumio Hosaka, Youji Maruyama, Takeshi Shimano | 1997-03-25 |