Issued Patents All Time
Showing 26–50 of 125 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11562944 | Power conversion device and manufacturing method thereof | — | 2023-01-24 |
| 11521644 | Magnetic head and magnetic recording device | Yuji Nakagawa, Naoyuki Narita, Masayuki Takagishi, Tazumi Nagasawa, Hirofumi Suto | 2022-12-06 |
| 11488623 | Evaluation method of magnetic head and evaluation device of magnetic head | Hirofumi Suto, Tazumi Nagasawa, Masayuki Takagishi, Naoyuki Narita | 2022-11-01 |
| 11462239 | Magnetic head and magnetic recording device having magnetic layers and nonmagnetic layers between shield and magnetic pole | Tazumi Nagasawa, Naoyuki Narita, Hirofumi Suto, Masayuki Takagishi | 2022-10-04 |
| 11417355 | Magnetic recording device including magnetic head which includes a stacked body with controlled electrical resistance | Naoyuki Narita, Masayuki Takagishi, Hitoshi Iwasaki | 2022-08-16 |
| 11398244 | Magnetic head with stacked body having non-magnetic layers and differing length magnetic layers | Masayuki Takagishi, Naoyuki Narita, Tazumi Nagasawa, Hitoshi Iwasaki, Hirofumi Suto | 2022-07-26 |
| 11393493 | Magnetic head and magnetic recording device | Yuji Nakagawa, Naoyuki Narita, Masayuki Takagishi, Tazumi Nagasawa, Hitoshi Iwasaki +1 more | 2022-07-19 |
| 11295766 | Magnetic recording device supplied with varying recording current | Masayuki Takagishi, Naoyuki Narita | 2022-04-05 |
| 11138994 | Magnetic head and magnetic recording device having magnetic layers and non-magnetic layers between shield and magnetic pole | Tazumi Nagasawa, Naoyuki Narita, Hirofumi Suto, Masayuki Takagishi | 2021-10-05 |
| 11087781 | Magnetic head including plural magnetic layers and plural intermediate layers and magnetic recording device | Masayuki Takagishi, Naoyuki Narita, Hitoshi Iwasaki, Hirofumi Suto, Tazumi Nagasawa | 2021-08-10 |
| 11062730 | Method for evaluating magnetic head and evaluation apparatus of magnetic head | Hirofumi Suto, Naoyuki Narita, Tazumi Nagasawa, Masayuki Takagishi | 2021-07-13 |
| 11062728 | Magnetic head having specific distance between magnetic pole, stacked body, and first shield, and magnetic recording device including same | Masayuki Takagishi, Naoyuki Narita, Hirofumi Suto, Tazumi Nagasawa, Katsuya Sugawara | 2021-07-13 |
| 11004464 | Magnetic head | Hirofumi Suto, Naoyuki Narita, Tazumi Nagasawa, Masayuki Takagishi, Hitoshi Iwasaki | 2021-05-11 |
| 10978098 | Magnetic recording device | Naoyuki Narita, Masayuki Takagishi, Hirofumi Suto, Hitoshi Iwasaki, Tazumi Nagasawa | 2021-04-13 |
| 10950259 | Magnetic head and magnetic recording and reproducing device | Naoyuki Narita, Hirofumi Suto | 2021-03-16 |
| 10943607 | Magnetic recording device supplied with varying recording current | Masayuki Takagishi, Naoyuki Narita | 2021-03-09 |
| 10943610 | Magnetic head with stacked body and insulating portion arrangement between magnetic pole and shield | Naoyuki Narita | 2021-03-09 |
| 10943609 | Magnetic recording device and magnetic head | Naoyuki Narita | 2021-03-09 |
| 10902869 | Magnetic head having a magnetic layer and first and second conductive layers provided between a shield and a magnetic pole and magnetic recording and reproducing device | Hirofumi Suto, Naoyuki Narita, Tazumi Nagasawa, Masayuki Takagishi | 2021-01-26 |
| 10811037 | Magnetic head with conductive layer configurations between magnetic pole and shield and magnetic recording and reproducing device | Hirofumi Suto, Naoyuki Narita, Tazumi Nagasawa, Masayuki Takagishi | 2020-10-20 |
| 10789976 | Magnetic head including first and second stacked bodies and current flow arrangements and magnetic recording and reproducing device | Naoyuki Narita | 2020-09-29 |
| 10734017 | Magnetic head and magnetic recording and reproducing device | Naoyuki Narita, Hirofumi Suto | 2020-08-04 |
| 10657990 | Magnetic head and disk device having gap layers with different magnetic relative permeabilities | Masaya Ohtake, Akihiko Takeo, Naoyuki Narita, Gaku Koizumi, Yusuke Tomoda | 2020-05-19 |
| 10460670 | Display device and method for controlling the same | — | 2019-10-29 |
| 10438618 | Magnetic head having a stacked body provided between a magnetic pole and a first shield and a magnetic recording and reproducing device incorporating the magnetic head | Naoyuki Narita | 2019-10-08 |