P

Inventor

TANI HIROSHI

BE46 patents
⚠️ This page may combine multiple inventors who share the name “TANI HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

16 patents
US5388020AFeb 7, 1995

Magnetic disk having improved surface configuration and magnetic disk unit including same

HITACHI LTD61 citations96
US6372367B1Apr 16, 2002

Magnetic recording medium, method for producing the same and magnetic recording apparatus using the same

HITACHI LTD20 citations92
US5543203AAug 6, 1996

Magnetic recording medium having a protective layer which includes high and low surface energy regions and a lubricant

HITACHI LTD27 citations92
US5500296AMar 19, 1996

Magnetic recording medium, process for producing magnetic recording medium, apparatus for producing magnetic recording medium, and magnetic recording apparatus

HITACHI LTD25 citations92
US6816341B2Nov 9, 2004

Hard disk drive utilizing second lubricant over a first lubricant having a phosophezine group

HITACHI LTD13 citations83
US6633455B2Oct 14, 2003

Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating same

HITACHI LTD9 citations74
US6989535B2Jan 24, 2006

Atomic force microscopy, method of measuring surface configuration using the same, and method of producing magnetic recording medium

HITACHI LTD7 citations73
US6555197B1Apr 29, 2003

Lubricant, magnetic disk and magnetic disk apparatus

HITACHI LTD5 citations73
US5680285AOct 21, 1997

Magnetic disk having improved surface configuration and magnetic disk unit including same

HITACHI LTD10 citations73
US5549211AAug 27, 1996

Method of producing magnetic disk

HITACHI LTD5 citations73
US6605335B2Aug 12, 2003

Magnetic recording medium

HITACHI LTD11 citations69
US6268978B1Jul 31, 2001

Magnetic disk apparatus

HITACHI LTD5 citations63
US6773784B2Aug 10, 2004

Magnetic disk having ultrathin carbon protective film and magnetic disk apparatus

HITACHI LTD3 citations62
US6917495B2Jul 12, 2005

Magnetic disk drive

HITACHI LTD1 citations51
US6869536B2Mar 22, 2005

Lubricant, magnetic disk and magnetic disk apparatus

HITACHI LTD0 citations51
US6665147B2Dec 16, 2003

Magnetic disk drive with supply of perfluoropolyether as lubricant

HITACHI LTD1 citations51

FUJITSU LTD

8 patents

HITACHI GLOBAL STORAGE TECH

5 patents

SUMITOMO RUBBER IND

4 patents

UMICORE NV

3 patents

NSK LTD

2 patents

TOSHIBA KK

2 patents

SHOWA DENKO KK

2 patents

WD MEDIA LLC

1 patent

HITACHI GLOBAL STORAGE TECH NL

1 patent

THE SCHOOL CORPORATION KANSAI UNIV

1 patent

MINEBEA CO LTD

1 patent