Jun Naruse — 14 Patents at Hitachi

Jun Naruse has been granted 14 US patents while listed as an inventor at Hitachi. The first was granted in 1980 and the most recent in February 1995. Jun Naruse ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Jun Naruse in Odawara, JP.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
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	$37,000
5325245	Method and apparatus for writing magnetic head positioning signal	Jyousei Shimizu, Tsuyoshi Takahashi, Yuji Nishimura	1994-06-28	$72,000
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	$56,000
5206772	Magnetic disk apparatus having improved arrangement of head disk assemblies	Yoshiyuki Hirano, Tsuyoshi Takahashi, Kazuo Nakagoshi	1993-04-27	$68,000
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	$29,000
5173819	Disk apparatus having an improved cooling structure	Tsuyoshi Takahashi, Kazuo Nakagoshi, Takuji Ogawa, Takeo Hayakawa	1992-12-22	$90,000
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	$18,000
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	$52,000
4984115	Rotary actuator and bearing support therefor	Tsuyoshi Takahashi, Katsumi Kawamura, Jyousei Shimizu	1991-01-08	$22,000
4892423	Rotary actuator and fabrication process therefor	Tsuyoshi Takahashi, Katsumi Kawamura, Jyousei Shimizu	1990-01-09	$37,000
4795928	Linear actuator assembly for accessing a magnetic memory disc	Masami Suzuki, Hiroshi Nishida, Tsuyoshi Takahashi, Tomio Suzuki	1989-01-03	$60,000
4754349	Vibration absorbing support assembly for a disc memory	Hiroshi Nishida, Masami Suzuki, Tsuyoshi Takahashi	1988-06-28	$149,000
4677509	Spindle assembly for magnetic disks	Hiroshi Nishida, Fujio Yamamoto, Mikio Higashi	1987-06-30	$94,000
4241366	Magnetic head loading apparatus	Hiroshi Nishida, Kazuo Nakagoshi, Kunihiro Motoyoshi	1980-12-23	$101,000

Jun Naruse — 14 Patents

Issued Patents All Time

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