Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9390733 | Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structure | Kimitoshi Etoh, Mikito Sugiyama, Tomohiro Okada | 2016-07-12 |
| 9230573 | Magnetic recording head with non-magnetic bump structure formed on spin torque oscillator | Kimitoshi Etoh, Kenji Sugiura, Mikito Sugiyama, Yohji Maruyama, Katsuro Watanabe | 2016-01-05 |
| 9142227 | Microwave assisted magnetic recording (MAMR) write head and system | Kimitoshi Etoh, Masahiko Hatatani, Yohji Maruyama, Kenji Sugiura, Mikito Sugiyama | 2015-09-22 |
| 9076462 | Magnetic head having a short yoke with a tapered coil structure | Kimitoshi Etoh, Mikito Sugiyama, Yohji Maruyama | 2015-07-07 |
| 8965153 | Optical semiconductor device and optical waveguide | Makoto Takahashi, Hideo Arimoto, Toshihiko Fukamachi, Shigeki Makino, Yasunobu Matsuoka +1 more | 2015-02-24 |
| 8964331 | Perpendicular magnetic write head having a main magnetic write pole portion and a magnetic sub-pole portion configured for increased magnetic write field | Mikito Sugiyama, Kaori Suzuki | 2015-02-24 |
| 8941948 | Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG) | Kimitoshi Etoh, Mikito Sugiyama, Hisashi Kimura | 2015-01-27 |
| 8837088 | Microwave-assisted magnetic recording (MAMR) head with a current confinement structure | Hisashi Kimura, Kimitoshi Etoh, Mikito Sugiyama | 2014-09-16 |
| 8824103 | Magnetic recording head and magnetic recording apparatus | Masato Shiimoto, Kenji Sugiura, Mikito Sugiyama, Isao Nunokawa, Yo Sato +2 more | 2014-09-02 |
| 8570686 | Magnetic recording head with non-conformal side shield gap | Kimitoshi Eto, Mikito Sugiyama, Junichi Hashimoto, Kazue Kudo, Misuzu Kanai | 2013-10-29 |
| 8472135 | Microwave-assisted magnetic recording head having a current confinement structure | Kikuo Kusukawa, Masato Shiimoto, Katsuro Watanabe | 2013-06-25 |
| 8303195 | Optical transceiver module | Koichiro Adachi, Toshiki Sugawara | 2012-11-06 |
| 8036533 | Optical transmitter/receiver module | Misuzu Sagawa, Toshiki Sugawara, Masahiro Aoki | 2011-10-11 |
| 7616845 | Optical module | Yasunobu Matsuoka, Makoto Takahashi | 2009-11-10 |
| 7590356 | Variable dispersion compensator | Toshiki Sugawara, Satoshi Makio | 2009-09-15 |
| 7450789 | Micro sensor device | Hiroji Yamada, Toshio Katsuyama, Yasuhiko Arakawa, Toshihiko Fukamachi | 2008-11-11 |
| 7145146 | Micro-spectroscopic measuring device and micro-chemical system | Taro Ogawa, Toshiki Sugawara, Masataka Shirai, Toshio Katsuyama, Kaoru Umemura +3 more | 2006-12-05 |
| 6931189 | Optical waveguides and optical devices with optical waveguides | Youngkun Lee, Toshio Katsuyama, Tatsuya Tomaru | 2005-08-16 |
| 6731846 | Dispersion compensator and optical transmission system using same | Toshio Katsuyama, Young-kun Lee, Masahiro Ojima | 2004-05-04 |
| 6546034 | Semiconductor laser device, semiconductor laser array device and optical fiber transmission system | Masaaki Komori, Masahiro Aoki, Kazuhisa Uomi | 2003-04-08 |