Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7369375 | Magneto-resistance effect element and magneto-resistance effect head | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2008-05-06 |
| 7298596 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2007-11-20 |
| 7265949 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2007-09-04 |
| 7161774 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2007-01-09 |
| 7158355 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2007-01-02 |
| 6999287 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2006-02-14 |
| 6934132 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2005-08-23 |
| 6903908 | Magnetoresistive effect sensor with barrier layer smoothed by composition of lower shield layer | Kazuhiko Hayashi, Keishi Ohashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami +4 more | 2005-06-07 |
| 6798626 | Magnetoresistive effect element having a ferromagnetic tunnel junction film with an oxide or nitride of a metallic material | Kazuhiko Hayashi, Keishi Ohashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami +2 more | 2004-09-28 |
| 6747853 | Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system | Kazuhiko Hayashi, Junichi Fujikata, Tsutomu Ishi, Shigeru Mori, Keishi Ohashi +3 more | 2004-06-08 |
| 6718621 | Magnetoresistive head production method | Kazuhiko Hayashi, Keishi Ohashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami +2 more | 2004-04-13 |
| 6624987 | Magnetic head with a tunnel junction including metallic material sandwiched between one of an oxide and a nitride of the metallic material | Kazuhiko Hayashi, Keishi Ohashi, Nobuyuki Ishiwata, Masafumi Nakada, Eizo Fukami +2 more | 2003-09-23 |
| 6538861 | MAGNETORESISTIVE HEAD HAVING FERROMAGNETIC TUNNEL JUNCTION FILM WITH A SMALLER RESISTANCE AT A TERMINAL PORTION THAN A CENTRAL PORTION, MAGNETIC RESISTANCE DETECTION SYSTEM WITH THE MAGNETORESISTIVE HEAD AND A MAGNETIC STORAGE SYSTEM USING IT | Kazuhiko Hayashi, Masafumi Nakada, Eizo Fukami, Hiroaki Honjou, Kunihiko Ishihara +3 more | 2003-03-25 |
| 6515379 | Power supply apparatus, method, and electronic apparatus | Koichi Nojima | 2003-02-04 |
| 6449172 | Switching power supply with nonlinear characteristics at start up | — | 2002-09-10 |
| 6433969 | Compound magnetoresistive head and method for manufacturing same | — | 2002-08-13 |
| 6418038 | Complex resonant DC-DC converter and high voltage generating circuit driven in a plurality of frequency regions | Masanobu Takahama | 2002-07-09 |
| 6343025 | Switching converter for generating a driving signal | — | 2002-01-29 |
| 6267824 | Method for manufacturing a magnetoresistive effect composite having a pole containing Co-M | Nobuyuki Ishiwata, Tsutomu Ishi, Kazumasa Kumagai | 2001-07-31 |
| 6154345 | Magnetoresistive effect composite head | Nobuyuki Ishiwata, Kiyotaka Shimabayashi, Sinsaku Saitho, Hiroaki Tachibana, Tsutomu Ishi +1 more | 2000-11-28 |
| 6141859 | Method for making a merged head device | Nobuyuki Ishiwata, Tsutomu Ishi, Kazumasa Kumagai | 2000-11-07 |
| 6125009 | Magnetoresistive effect composite head having a pole containing Co-M | Nobuyuki Ishiwata, Tsutomu Ishi, Kazumasa Kumagai | 2000-09-26 |
| 6057991 | Thin film magnetic head with an improved surface to reduce the occurrence of head crash | Nobuyuki Ishiwata, Tsutomu Ishi, Kazumasa Kumagai | 2000-05-02 |
| 6055137 | Magnetoresistive effect composite head with configured pole tip | Nobuyuki Ishiwata, Tsutomu Ishi, Kazumasa Kumagai | 2000-04-25 |
| 5959857 | Power supply apparatus for producing a constant DC voltage from a range of AC inputs | — | 1999-09-28 |