Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159303 | Method for manufacturing magnetic head device | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2007-01-09 |
| 7054120 | Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2006-05-30 |
| 6687099 | Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2004-02-03 |
| 6483677 | Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2002-11-19 |
| 6323415 | Light concentrator photovoltaic module method of manufacturing same and light concentrator photovoltaic system | Tsuyoshi Uematsu, Terunori Warabisako, Yoshiaki Yazawa, Ken Tsutsui, Shin-ichi Muramatsu +2 more | 2001-11-27 |
| 6294723 | Photovoltaic device, photovoltaic module and establishing method of photovoltaic system | Tsuyoshi Uematsu, Terunori Warabisako, Yoshiaki Yazawa, Ken Tsutsui, Shin-ichi Muramatsu +2 more | 2001-09-25 |
| 6278593 | Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2001-08-21 |
| 6011674 | Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2000-01-04 |
| 5814400 | Magneto-optical recording medium and method | Fumiyoshi Kirino, Junko Nakamura, Norio Ohta, Masahiko Takahashi, Ryo Suzuki | 1998-09-29 |
| 5766718 | Longitudinal magnetic recording medium and apparatus | Yoshibumi Matsuda, Masaaki Futamoto, Fumio Kugiya, Takeshi Nakano, Hisashi Takano +3 more | 1998-06-16 |
| 5736235 | Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction | Yoshibumi Matsuda, Masaaki Futamoto, Tokuho Takagaki, Hisashi Takano, Fumio Kugiya +5 more | 1998-04-07 |
| 5726837 | Multilayer magnetoresistance effect-type magnetic head | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 1998-03-10 |
| 5568331 | Method of head positioning and magnetic recording disk drive using the same | Kyo Akagi, Masaaki Futamoto, Fumio Kugiya, Hisashi Takano, Yoshibumi Matsuda +8 more | 1996-10-22 |
| 5411430 | Scanning optical device and method for making a hybrid scanning lens used therefor | Takashi Nishimura, Akira Arimoto, Yumiko Anzai, Yoshimasa Kondo, Fumihiko Uchida +1 more | 1995-05-02 |
| 5390061 | Multilayer magnetoresistance effect-type magnetic head | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 1995-02-14 |
| 5372843 | Process for producing a magnetic recording medium using a patterned diffusion barrier | Masaaki Futamoto, Yoshibumi Matsuda | 1994-12-13 |
| 5330880 | Process for producing optical disks | Shinkichi Horigome, Yumiko Anzai, Keizo Kato, Hiroshi Shiraishi | 1994-07-19 |
| 5325244 | Magnetic recording data storage system | Hisashi Takano, Kyo Akagi, Mikio Suzuki, Yoshibumi Matsuda, Takeshi Nakao +8 more | 1994-06-28 |
| 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 |
| 5235591 | Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium | Shigeru Nakamura, Eiichi Seya, Seiichi Mita, Masuo Kasai, Masahiro Ojima +5 more | 1993-08-10 |
| 5179546 | Magneto-optical disk and process for manufacturing the same | Yumiko Anzai, Toshio Niihara, Harukazu Miyamoto, Norio Ohta | 1993-01-12 |
| 5093822 | High-density magnetic recording and optical reproducing apparatus | Fumio Kugiya, Mikio Suzuki, Kyo Akagi, Takeshi Nakao, Masaaki Futamoto +2 more | 1992-03-03 |
| 5020041 | Magneto-optical memory apparatus having a floating magnetic head | Takeshi Nakao, Masahiro Ojima, Toyoji Okuwaki, Youichi Kawakubo, Yoshinori Takeuchi +1 more | 1991-05-28 |
| 4889757 | Optical recording disk | Shinkichi Horigome, Toshio Niihara, Norio Ohta, Yutaka Sugita, Ryoichi Sudo +2 more | 1989-12-26 |
| 4407880 | Substrate of member for recording information with light and method of manufacturing the same | Motoyasu Terao, Shinkichi Horigome, Kazuo Shigematsu, Seiji Yonezawa | 1983-10-04 |