Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814400 | Magneto-optical recording medium and method | Yoshinori Miyamura, Junko Nakamura, Norio Ohta, Masahiko Takahashi, Ryo Suzuki | 1998-09-29 |
| 5732061 | Recording method using trial write test pattern | Takeshi Maeda, Hiroshi Ide, Toshimitsu Kaku, Seiichi Mita, Kazuo Shigematsu +1 more | 1998-03-24 |
| 5703855 | Optical disk apparatus and recording and reading method for an optical disk using the same | Tsuyoshi Toda, Horishi Ide, Hisataka Sugiyama, Atsushi Saito, Hiroyuki Tsuchinaga +6 more | 1997-12-30 |
| 5654058 | Magneto-optical disk | Harukazu Miyamoto, Shigenori Okamine, Noriyuki Ogihara, Masahiko Takahashi, Norio Ohta +1 more | 1997-08-05 |
| 5642343 | Magnetooptic disc apparatus and recording medium | Tsuyoshi Toda, Kazuo Shigematsu, Seiichi Mita, Toshimitsu Kaku, Takeshi Maeda +2 more | 1997-06-24 |
| 5590111 | Method of controlling recording of optical records | Takeshi Maeda, Hiroshi Ide, Toshimitsu Kaku, Seiichi Mita, Kazuo Shigematsu +1 more | 1996-12-31 |
| 5513165 | Method for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testing | Hiroshi Ide, Tsuyashi Toda, Takeshi Maeda, Hiroyuki Tsuchinaga, Fumio Kugiya +4 more | 1996-04-30 |
| 5463600 | Magneto-optical recording system using recording waveform having a plurality of power levels providing high recording density | Atsushi Saito, Tsuyoshi Toda, Hiroshi Ide, Hiroyuki Tsuchinaga, Takeshi Maeda +1 more | 1995-10-31 |
| 5457666 | Light modulation method for forming a mark in magneto-optical recording system | Tsuyoshi Toda, Hiroshi Ide, Takeshi Maeda, Hiroyuki Tsuchinaga, Toshimitsu Kaku +2 more | 1995-10-10 |
| 5420846 | Recording medium having a plurality of nonlinear transmission characteristics | Hisataka Sugiyama, Akira Arimoto, Motoyasu Terao, Norio Murase, Kimio Tatsuno +2 more | 1995-05-30 |
| 5333126 | Information recording method and optical disk apparatus using same | Yasushi Fukuda, Hiroshi Ide, Atsushi Saito, Takeshi Maeda, Tsuyoshi Toda | 1994-07-26 |
| 5321672 | Method of an apparatus for magneto-optically recording information by changing the position or shape or controlling the diameter of reversed domains | Harukazu Miyamoto, Yoshio Suzuki, Toshio Niihara, Norio Ohta, Masahiko Takahashi +1 more | 1994-06-14 |
| 5315577 | Optical recording/reproducing by changing perpendicular magnetic anisotropy to non-perpendicular magnetic anisotropy | Junko Nakamura, Ryo Suzuki, Masafumi Yoshihiro, Yukinori Yamada, Norio Ohta | 1994-05-24 |
| 5270987 | Magneto-optical recording and reproducing method, magneto-optical memory apparatus and magneto-optical recording medium therefor | Toshimitsu Kaku, Shigeru Nakamura, Masahiko Takahashi, Toshio Niihara, Harukazu Miyamoto +7 more | 1993-12-14 |
| 4838962 | Magneto-optical recording medium | Shinji Takayama, Yutaka Sugita | 1989-06-13 |
| 4645726 | Solid state lithium battery | Masahiko Hiratani, Katsuki Miyauchi, Yukio Ito, Keiichi Kanehori, Tetsuichi Kudo | 1987-02-24 |
| 4555456 | Cathode structure for thin film battery | Keiichi Kanehori, Katsuki Miyauchi, Yukio Ito, Tetsuichi Kudo | 1985-11-26 |