Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7777771 | Information recording and erasing apparatus | Hideo Sakurai, Tadafumi Tatewaki, Naoki Yoshida | 2010-08-17 |
| 7288224 | Method of producing a sputtering target | Hiroko Iwasaki, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 2007-10-30 |
| RE39901 | Initialization of phase-change optical recording medium | Kyohji Hattori, Fumiya Ohmi, Kenichi Aihara, Katsuyuki Yamada, Yuki Nakamura +3 more | 2007-10-30 |
| 6652806 | Method of producing a sputtering target | Hiroko Iwasaki, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 2003-11-25 |
| 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, Hiroko Iwasaki, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 2003-01-07 |
| 6445669 | Initialization of phase-change optical recording medium | Kyohji Hattori, Fumiya Ohmi, Kenichi Aihara, Katsuyuki Yamada, Yuki Nakamura +3 more | 2002-09-03 |
| 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 | Hiroko Iwasaki, 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, Hiroko Iwasaki, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 2001-08-28 |
| 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, Hiroko Iwasaki, 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 | Makoto Harigaya, Yoshiyuki Kageyama, Hiroko Iwasaki | 1999-06-29 |
| 5882493 | Heat treated and sintered sputtering target | Hiroko Iwasaki, Yoshiyuki Kageyama, Makoto Harigaya, Masaetsu Takahashi, Hiroshi Deguchi +2 more | 1999-03-16 |
| 5785828 | Sputtering target for producing optical recording medium | Katsuyuki Yamada, Hiroko Iwasaki, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 1998-07-28 |
| 5761179 | Phase-change optical recording method using pulse width modulation technique | Hiroko Iwasaki, Yoshiyuki Kageyama, Makoto Harigaya, Michiharu Abe | 1998-06-02 |
| 5740149 | Phase-change type optical recording and reproducing method | Hiroko Iwasaki, Yoshiyuki Kageyama, Makoto Harigaya, Michiharu Abe | 1998-04-14 |
| 5736657 | Sputtering target | Hiroko Iwasaki, 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, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi, Katsuyuki Yamada +2 more | 1997-07-08 |
| 5620767 | Light reflecting and heat dissipating material and optical information recording medium using the same | Makoto Harigaya, Osamu Nonoyama, Yoshiyuki Kageyama, Hiroko Iwasaki | 1997-04-15 |
| 5298305 | Phase-change type information recording medium | Michiaki Shinozuka, Makoto Harigaya, Yoshiyuki Kageyama, Hiroko Iwasaki | 1994-03-29 |
| 5156693 | Information recording medium | Makoto Harigaya, Yoshiyuki Kageyma, Hiroko Iwasaki | 1992-10-20 |
| 5100700 | Information recording medium | Makoto Harigaya, Katsuyuki Yamada, Hiroko Iwasaki | 1992-03-31 |
| 5095479 | Optical information recording medium | Makoto Harigaya, Yoshiyuki Kageyama, Hiroko Iwasaki | 1992-03-10 |
| 5080947 | Information recording medium | Katsuyuki Yamada, Narihito Kojima, Makoto Harigaya, Hiroko Iwasaki | 1992-01-14 |
| 5057244 | Transparent, electrically conductive film | Shoji Nitta | 1991-10-15 |
| 5024927 | Information recording medium | Katsuyuki Yamada, Makoto Harigaya, Hiroko Iwasaki | 1991-06-18 |
| 5011723 | Optical information recording medium | Makoto Harigaya, Katsuyuki Yamada, Hiroko Iwasaki | 1991-04-30 |