Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160688 | Magneto-resistive composite head and a magnetic disk device, having grounded magnetic shielding layers | — | 2000-12-12 |
| 6157507 | Performance evaluation method of an MR head and a magnetic disk device wherein the method is applied | Takahiro Korenari | 2000-12-05 |
| 5926019 | System for evaluating the play back of magnetoresistive heads | — | 1999-07-20 |
| 5841584 | Dielectric multilayered reflector | Kunihiro Takatani | 1998-11-24 |
| 5658824 | Method of fabricating a semiconductor laser device | Shigetoshi Itoh | 1997-08-19 |
| 5657337 | Semiconductor laser device having a resonator of a particular length for reducing threshold current density | Fumihiro Konushi, Tatsuya Morioka, Narihito Matsumoto | 1997-08-12 |
| 5506856 | Semiconductor laser device having a resonator of particular length for reduced threshold current density | Fumihiro Konushi, Tatsuya Morioka, Narihito Matsumoto | 1996-04-09 |
| 5448425 | Method for erasing information recorded on magnetic tape with reduced residual magnetization | — | 1995-09-05 |
| 5404259 | Magnetic head having high wear resistance and non-magnetic substrate used in the magnetic head | Nobuyuki Ishiwata, Haruo Urai, Mitsuo Tamura, Masataka Konno | 1995-04-04 |
| 5375135 | Semiconductor laser device | Fumihiro Konushi, Tatsuya Morioka, Narihito Matsumoto | 1994-12-20 |
| 5351258 | Semiconductor laser device | Fumihiro Konushi, Tatsuya Morioka, Narihito Matsumoto | 1994-09-27 |
| 5345460 | Semiconductor laser device with window regions | Haruhisa Takiguchi, Seiki Yano, Kazuhiko Inoguchi, Hiroaki Kudo, Chitose Nakanishi +1 more | 1994-09-06 |
| 5335241 | Buried stripe type semiconductor laser device | Kazuhiko Inoguchi, Fumihiro Konushi, Haruhisa Takiguchi | 1994-08-02 |
| 5182758 | Periodic gain-type semiconductor laser device | Mototaka Taneya, Fumihiro Konushi, Haruhisa Takiguchi | 1993-01-26 |
| 5070510 | Semiconductor laser device | Fumihiro Konushi, Hiroshi Nakatu, Kazuhiko Inoguchi, Akinori Seki, Haruhisa Takiguchi +3 more | 1991-12-03 |
| 5049970 | High resistive element | Kenichi Tanaka, Shigeo Onishi, Keizo Sakiyama | 1991-09-17 |
| 5031991 | Optical coupling circuit element | Hiroshi Nakatsu, Kazuhiko Inoguchi, Haruhisa Takiguchi | 1991-07-16 |
| 4980875 | Magneto-optical disk with perpendicular magnetic anisotropy film and high corrosion-resistant film | Nobuyuki Ishiwata, Chizuko Wakabayashi, Takayuki Matsumoto, Junichi Homma, Susumu Ito | 1990-12-25 |