Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7447138 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2008-11-04 |
| 7288224 | Method of producing a sputtering target | Yukio Ide, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 2007-10-30 |
| 6990053 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2006-01-24 |
| 6775213 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2004-08-10 |
| 6760291 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2004-07-06 |
| 6660452 | Optical information memory medium and display recording method using the same | Kenichi Aihara, Kyohji Hattori, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima +1 more | 2003-12-09 |
| 6652806 | Method of producing a sputtering target | Yukio Ide, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 2003-11-25 |
| 6580672 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2003-06-17 |
| 6555196 | Optical data recording medium and material for heat-resistant protection layer for the same | — | 2003-04-29 |
| 6503592 | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium | Katsuyuki Yamada, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 2003-01-07 |
| 6388978 | Optical recording method for a rewritable phase-change optical recording medium | Ippei Ogawa, Katsuyuki Yamada, Eiji Noda, Yuki Nakamura, Kenichi Aihara | 2002-05-14 |
| 6373802 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2002-04-16 |
| 6329035 | Optical data storage medium capable of reversibly displaying information | Kenichi Aihara, Kyohji Hattori, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima +1 more | 2001-12-11 |
| 6319368 | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of forming recording layer for the optical recording medium | Yukio Ide, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 2001-11-20 |
| 6280684 | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium | Katsuyuki Yamada, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 2001-08-28 |
| 6221557 | Optical information recording medium | Makoto Harigaya, Yoshiyuki Kageyama, Michiaki Shinotsuka | 2001-04-24 |
| 6127016 | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium | Katsuyuki Yamada, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 2000-10-03 |
| 5916730 | Optical information recording medium and recording method by use of the recording medium | Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama | 1999-06-29 |
| 5882493 | Heat treated and sintered sputtering target | Yoshiyuki Kageyama, Makoto Harigaya, Masaetsu Takahashi, Hiroshi Deguchi, Katsuyuki Yamada +2 more | 1999-03-16 |
| 5790505 | Optical data recording/reproducing method and apparatus for determing an optimum recording power | Michiharu Abe | 1998-08-04 |
| 5785828 | Sputtering target for producing optical recording medium | Katsuyuki Yamada, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 1998-07-28 |
| 5761179 | Phase-change optical recording method using pulse width modulation technique | Yukio Ide, Yoshiyuki Kageyama, Makoto Harigaya, Michiharu Abe | 1998-06-02 |
| 5740149 | Phase-change type optical recording and reproducing method | Yukio Ide, Yoshiyuki Kageyama, Makoto Harigaya, Michiharu Abe | 1998-04-14 |
| 5736657 | Sputtering target | Yukio Ide, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 1998-04-07 |
| 5646924 | Recording and simultaneous verifying method of phase-changing type of information recording medium | Osamu Nonoyama, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 1997-07-08 |