P

Inventor

OHNISHI TSUYOSHI

JP36 patents
⚠️ This page may combine multiple inventors who share the name “OHNISHI TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

16 patents
US5270552ADec 14, 1993

Method for separating specimen and method for analyzing the specimen separated by the specimen separating method

HITACHI LTD247 citations99
US6310341B1Oct 30, 2001

Projecting type charged particle microscope and projecting type substrate inspection system

HITACHI LTD108 citations98
US5850326ADec 15, 1998

Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer

HITACHI LTD45 citations96
US4936968AJun 26, 1990

Ion-beam machining method and apparatus

HITACHI LTD61 citations96
US6839200B2Jan 4, 2005

Combination perpendicular magnetic head having shield material formed at both ends of an upper pole of a write element

HITACHI LTD12 citations92
US6538844B2Mar 25, 2003

Method of fabricating a magnetic head by focused ion beam etching

HITACHI LTD13 citations92
US5120925AJun 9, 1992

Methods for device transplantation

HITACHI LTD28 citations92
US5065034ANov 12, 1991

Charged particle beam apparatus

HITACHI LTD39 citations90
US6521890B2Feb 18, 2003

Focused ion beam machining method and focused ion beam machining apparatus

HITACHI LTD25 citations89
US4939364AJul 3, 1990

Specimen or substrate cutting method using focused charged particle beam and secondary ion spectroscopic analysis method utilizing the cutting method

HITACHI LTD21 citations82
US6307707B1Oct 23, 2001

Narrow track thin film head including magnetic poles machined by focused ion beam etching

HITACHI LTD4 citations74
US6278578B1Aug 21, 2001

Narrow track thin film head having a focused ion beam etched air bearing surface

HITACHI LTD4 citations74
US6111723AAug 29, 2000

Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer

HITACHI LTD8 citations74
US5532494AJul 2, 1996

Treatment and observation apparatus using scanning probe

HITACHI LTD15 citations74
US6665141B2Dec 16, 2003

Magnetic head having track width defined by trench portions filled with magnetic shield material

HITACHI LTD1 citations63
US5198672AMar 30, 1993

Signal generator and method of generating signal voltages using the same

HITACHI LTD2 citations62

HITACHI HIGH TECH CORP

7 patents

OHNISHI TSUYOSHI

5 patents

(unassigned)

3 patents

TAKADA KAZUNORI

2 patents

WAKUNAGA OF AMERICA CO LTD

1 patent

MUTO HIROYUKI

1 patent

NAT INST FOR MATERIALS SCIENCE

1 patent