NN

Nobumasa Nishiyama

HG HGST: 18 patents #85 of 1,677Top 6%
HI Hitachi: 14 patents #2,889 of 28,497Top 15%
HB Hgst Netherlands, B.V.: 9 patents #82 of 972Top 9%
WT Western Digital Technologies: 6 patents #532 of 3,180Top 20%
HC Hitachi Instruments Engineering Co.: 1 patents #18 of 126Top 15%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
HC Hitachi Computer Peripherals Co.: 1 patents #41 of 133Top 35%
Overall (All Time): #60,664 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7724475 Conductive member, disk drive using same, and conductive member fabricating method 2010-05-25
7684153 Magnetic head slider with ground and heater terminal arrangement and magnetic head assembly Takayoshi Ohtsu 2010-03-23
7489479 Electrical lead suspension having partitioned air slots Satya Prakash Arya, John Contreras, Klaas B. Klaassen 2009-02-10
7440217 On the fly write head flyheight detector Hiroyuki Ono 2008-10-21
7417209 Recording disk drive with reduced noise thermal flyheight control John Contreras, Takashi Ikeda, Yumi Nagano, Toyomi Ohsawa, Mike Suk 2008-08-26
7352535 Method and apparatus for reducing crosstalk and signal loss in flexing interconnects of an electrical lead suspension Satya Prakash Arya, John Contreras, Klaas B. Klaassen 2008-04-01
7319573 Magnetic disk drive having a suspension mounted transmission line including read and write conductors and a lower conductor 2008-01-15
6992850 Magnetic disk drive reducing influence of rigidity of transmission lines on suspension 2006-01-31
6069762 Magnetic recording drive having arrangement for averaging useful life of magnetoresistive effect sensors Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Yoshibumi Matsuda, Takuji Ogawa +1 more 2000-05-30
6014275 Magnetic recording drive Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Yoshibumi Matsuda, Takuji Ogawa +1 more 2000-01-11
5740142 Method and apparatus for fast transfer of data in recording and reproducing system Hajime Aoi 1998-04-14
5721942 Personal information display system for serving large capacities of general information to user-designated stations at user-designated times Hiroaki Koyanagi, Kouichi Hoashi, Sayaka Shinomoto, Ryuichiroh Tamochi, Kouji Takai 1998-02-24
5715110 Magnetic recording and reproducing apparatus with thermal asperity correction Toshiaki Tsuyoshi 1998-02-03
5572379 Magnetic recording drive having arrangements for average useful life of magnetorestive effects sensors Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Yoshibumi Matsuda, Takuji Ogawa +1 more 1996-11-05
5367411 Magnetic recording and reproducing apparatus with reproducing head of magnetoresistive type having control of magnetic bias level Yasuhiro Kato, Toshiaki Tsuyoshi 1994-11-22
5337198 Digital magnetic writing and reading apparatus Toshiaki Tsuyoshi, Hajime Aoi, Tetsuji Kameoka, Masaya Tanaka, Kazuhisa Shiraishi 1994-08-09
5307213 Data reproducing apparatus for eliminating undershoots in the vicinity of the outer edges of a magnetic pole 1994-04-26
5008761 Readout circuit in magnetic recording device Makoto Saito, Yasuhide Ouchi, Yasuhiro Katoh, Yoshihisa Kamo, Makoto Koizumi +3 more 1991-04-16
4907100 Readout circuit in magnetic recording device Makoto Saito, Yasuhide Ouchi, Yasuhiro Katoh, Yoshihasa Kamo, Makoto Koizumi +3 more 1990-03-06
4823208 Multi slice level signal circuit Yasuhide Ouchi, Hajime Aoi, Takashi Tamura, Makoto Saitoh, Reijiro Tsuchiya 1989-04-18
4774601 Read channel for magnetic recording Yasuhide Ouchi, Hajime Aoi, Takashi Tamura 1988-09-27
4644424 Equalizer used for magnetic storage device Hajime Aoi, Takashi Tamura, Yasuhide Ouchi, Makoto Saitou 1987-02-17