Hiroshi Kiyono
43Patents
7h-index
59Co-inventors
72Inventor score
Filing activity: Apr 6, 1977 → Aug 11, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4213925A | Process for continuously producing foamed sheets | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8144412B2 | Magnetic disk device having mechanism for detecting projections on recording medium | Physics | 10 | Active |
| US7372282B2 | Method and apparatus for testing tunnel magnetoresistive effect element, manufacturing method of tunnel magnetoresistive effect element and tunnel magnetoresistive effect element | Electricity | 9 | Expired |
| US6232116A | Oral administration of pneumococcal antigens | Chemistry; Metallurgy | 9 | Expired |
| US6231870A | Oral administration of pneumoccal antigens | Human Necessities | 7 | Expired |
| US7843658B2 | Method for measuring magnetic write width in discrete track recording | Physics | 7 | Active |
| US7359149B2 | Composite type thin-film magnetic head with reduced capacitance between leads for read and write head elements | Physics | 7 | Expired |
| US6583971B1 | Elimination of electric-pop noise in MR/GMR device | Physics | 7 | Expired |
| US7236392B2 | Method and apparatus for testing tunnel magnetoresistive effect element | Physics | 6 | Expired |
| US7770438B2 | Head slider, glide height checking apparatus, and glide height checking method | Physics | 6 | Active |
| US8416650B2 | Method for detecting protrusion height of magnetic head slider having thermally assisted head | Physics | 6 | Active |
| US7675716B2 | Composite thin-film magnetic head, magnetic head assembly and magnetic disk drive apparatus | Physics | 6 | Active |
| US4124344A | Apparatus for continuously producing foamed sheets | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6004802A | Oral administration of pneumococcal antigens | Human Necessities | 5 | Expired |
| US7688537B2 | Thin-film magnetic head with heating element for adjusting magnetic spacing and control method of magnetic spacing | Physics | 4 | Active |
| US7274539B2 | Composite type thin film magnetic head having a low parasitic capacitance between a write coil and an upper read head shield | Physics | 4 | Expired |
| US8666692B2 | Method of estimating curie temperature distribution in a magnetic recording layer | Physics | 4 | Active |
| US7609482B2 | Magnetic head slider supporting device including conductor for reducing crosstalk between lines | Electricity | 4 | Active |
| US7960968B2 | Testing method of magnetic head by using inductance | Emerging Cross-Sectional Technologies | 3 | Active |
| US8374060B2 | Thermally-assisted magnetic recording method for writing data on a hard disk medium | Physics | 3 | Active |
| US7436633B2 | Thin-film magnetic head, head gimbal assembly and hard disk system | Physics | 3 | Active |
| US6587295B1 | Method, apparatus, system and computer process for improving property of thin-film magnetic head | Physics | 3 | Expired |
| US7894168B2 | Thin-film magnetic head comprising a magneto-resistive effect device of a CPP structure and having a shunting layer | Physics | 2 | Active |
| US7352524B2 | Magnetic disk drive | Physics | 2 | Active |
| US7256970B2 | Elimination of electric-pop noise in MR/GMR device | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.