FA

Fumiko Akagi

HG HGST: 7 patents #358 of 1,677Top 25%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Overall (All Time): #384,898 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8351144 Thermally assisted magnetic recording head, recording system, and recording method Kimio Nakamura 2013-01-08
8264918 Near-field recording device having heating mechanism positioned near a trailing side of a magnetic pole Mitsuhiro Hashimoto, Takuya Matsumoto, Yoshio Suzuki 2012-09-11
8130598 Head for thermal assisted magnetic recording device, and thermal assisted magnetic recording device Takuya Matsumoto 2012-03-06
8089829 Thermally assisted recording media and system Masukazu Igarashi, Hiroaki Nemoto, Takayuki Ichihara 2012-01-03
7813071 Thermally assisted recording system Masukazu Igarashi, Hideki Saga 2010-10-12
7773331 Thermally assisted magnetic recording system Takuya Matsumoto, Kimio Nakamura 2010-08-10
7645528 Magnetic recording media with ultra-high recording density Tatsuya Hinoue, Atsushi Nakamura, Tomoo Yamamoto 2010-01-12
7446969 Thermally assisted recording system Masukazu Igarashi, Hideki Saga 2008-11-04
7221530 Magnetic head with high reliability of the data protection, magnetic disk apparatus including the magnetic head and the method of recording information on the magnetic disk apparatus without miserasing the previously recorded data Futoshi Tomiyama, Takehiko Hamaguchi, Miki Hara, Yasutaka Nishida 2007-05-22
6940690 MAGNETIC HEAD WITH HIGH RELIABILITY OF THE DATA PROTECTION, MAGNETIC DISK APPARATUS INCLUDING THE MAGNETIC HEAD AND THE METHOD OF RECORDING INFORMATION ON THE MAGNETIC DISK APPARATUS WITHOUT MISERASING THE PREVIOUSLY RECORDED DATA Futoshi Tomiyama, Takehiko Hamaguchi, Miki Hara, Yasutaka Nishida 2005-09-06
6671116 Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization Masukazu Igarashi, Kazuetsu Yoshida, Akira Ishikawa 2003-12-30
6635367 Magnetic recording medium Masukazu Igarashi, Hideki Zaitsu, Futoshi Tomiyama 2003-10-21
6456448 Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization Masukazu Igarashi, Kazuetsu Yoshida, Akira Ishikawa 2002-09-24