Inventor

Ryoichi Mukai

Inventor
Kawasaki, JP

Overview

32→
Patents
1985–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 32 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer20%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
Y10TTechnical subjects covered by former us classification7%
H01FMagnets6%
H10DInorganic electric semiconductor devices6%
B82YSpecific uses or applications of nanostructures4%
C23CCoating metallic material4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%
PatentTitleYear
7,799,446'Perpendicular magnetic recording medium and manufacturing method thereof, magnetic recording apparatus'20107,767,322'Perpendicular magnetic recording medium, method of producing the same, and magnetic storage device'20107,732,070'Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic storage unit'20107,270,897'Magnetic recording medium, method of manufacturing the same medium and magnetic disc drive'20077,270,898'Polycrystalline structure of ordered alloy and method of making the same'20077,179,548'Polycrystalline structure film and method of making the same'20077,132,177'Magnetic recording medium and fabrication method thereof'20067,008,705'Layered polycrystalline structure and method of making the same'20066,682,833'Magnetic recording medium and production process thereof'20046,586,044'Method for manufacturing a magnetic hard disk having concentric magnetic tracks with flat surface'20036,583,957'Magnetic hard disk having concentric magnetic tracks with flat surface and fabrication method thereof'20036,277,484'Magnetic recording media and method of producing the same'20016,171,676'Magnetic recording medium containing fine magnetic crystal grains and its manufacture'20015,759,617'Production process for a hard disk magnetic recording medium'19985,518,967'Process for producing a semiconductor device capable of planarizing a metal film surface thereon'19965,366,905'Method for producing conducting layers for a semiconductor device'19945,358,736'Method of forming a thin and continuous film of conductive material'19945,288,664'Method of forming wiring of semiconductor device'19945,264,072'Method for recrystallizing conductive films by an indirect-heating with a thermal-conduction-controlling layer'19935,250,465'Method of manufacturing semiconductor devices'19935,232,674'Method of improving surface morphology of laser irradiated surface'19935,120,394'Epitaxial growth process and growing apparatus'19925,110,759'Conductive plug forming method using laser planarization'19925,100,834'Method of planarizing metal layer'19925,077,233'Method for recrystallizing specified portions of a non-crystalline semiconductor material to fabricate a semiconductor device therein'19914,968,643'Method for fabricating an activatable conducting link for metallic conductive wiring in a semiconductor device'19904,920,070'Method for forming wirings for a semiconductor device by filling very narrow via holes'19904,800,179'Method for fabricating semiconductor device'19894,747,076'Method of writing information into a fuse-type ROM'19884,617,723'Method and device for creating an activatable conducting link in a semiconductor device'19864,551,907'Process for fabricating a semiconductor device'19854,543,133'Process for producing single crystalline semiconductor island on insulator'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2007Patents assigned to FUJITSU LTD (29)· patent assignee history
1985–2010Based in Kawasaki, JP· patent location history
1985Based in Kawaguchi, JP· patent location history
1988Based in Kanagawa, JP· patent location history
2010Patents assigned to SHOWA DENKO KK (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD291985–2007
SHOWA DENKO KK32010
Locations
LocationPatentsSpan
Kawasaki, JP301985–2010
Kanagawa, JP11988
Kawaguchi, JP11985