JN

Jun Naruse

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
HI Hitach: 1 patents #1 of 68Top 2%
Overall (All Time): #357,884 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5392173 Method and apparatus for controlling a small spacing between a magnetic head and a magnetic recording medium Kazuto Kinoshita, Toshio Akatsu 1995-02-21
5325245 Method and apparatus for writing magnetic head positioning signal Jyousei Shimizu, Tsuyoshi Takahashi, Yuji Nishimura 1994-06-28
5247410 Magnetic disk apparatus using a rotary actuator for magnetic head positioning with reduced vibration Susumu Ebihara, Masaaki Matsumoto, Kenji Mori, Tsuyoshi Takahashi, Yoshiyuki Hirano 1993-09-21
5206772 Magnetic disk apparatus having improved arrangement of head disk assemblies Yoshiyuki Hirano, Tsuyoshi Takahashi, Kazuo Nakagoshi 1993-04-27
5189578 Disk system with sub-actuators for fine head displacement Kenji Mori, Hiromu Hirai, Haruaki Otsuki, Tsuyoshi Takahashi, Yuji Nishimura +1 more 1993-02-23
5173819 Disk apparatus having an improved cooling structure Tsuyoshi Takahashi, Kazuo Nakagoshi, Takuji Ogawa, Takeo Hayakawa 1992-12-22
5109311 Magnetic disk device and method of recording/retrieving information Masanobu Hanazono, Shinji Narishige, Yutaka Sugita, Hiroshi Fukui, Hirotsugu Fukuoka +4 more 1992-04-28
5062012 Linear access mechanism with driving force reaction cancelling device and magnetic disk apparatus using the same Naoki Maeda, Yozo Nakamura, Yuzo Kadomukai, Shunichi Mitsuya, Tsuyoshi Takahashi 1991-10-29
4984115 Rotary actuator and bearing support therefor Tsuyoshi Takahashi, Katsumi Kawamura, Jyousei Shimizu 1991-01-08
4892423 Rotary actuator and fabrication process therefor Tsuyoshi Takahashi, Katsumi Kawamura, Jyousei Shimizu 1990-01-09
4795928 Linear actuator assembly for accessing a magnetic memory disc Masami Suzuki, Hiroshi Nishida, Tsuyoshi Takahashi, Tomio Suzuki 1989-01-03
4754349 Vibration absorbing support assembly for a disc memory Hiroshi Nishida, Masami Suzuki, Tsuyoshi Takahashi 1988-06-28
4677509 Spindle assembly for magnetic disks Hiroshi Nishida, Fujio Yamamoto, Mikio Higashi 1987-06-30
4241366 Magnetic head loading apparatus Hiroshi Nishida, Kazuo Nakagoshi, Kunihiro Motoyoshi 1980-12-23