Inventor

Motoji Egawa

Inventor

Iwata, JP

Overview

1993–2010

Patent span

Physics

Primary field (CPC G)

Patents· 42 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 transducer35%

G02BOptical elements, systems or apparatus30%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%

G01DMeasuring not specially adapted for a specific variable3%

H04MTelephonic communication3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

A61JContainers specially adapted for medical or pharmaceutical purposes2%

B24BMachines, devices, or processes for grinding or polishing2%

B29CShaping or joining of plastics2%

B29LIndexing scheme associated with subclass b29c, relating to particular articles2%

PatentTitleYear

7,815,359'Spread illuminating apparatus'2010 7,758,230'Spread illuminating apparatus'2010 7,726,868'Spread illuminating apparatus, transparent resin plate for use in spread illuminating apparatus, and method of injection-molding transparent resin plate'2010 7,661,867'Spread illuminating apparatus and display device incorporating same'2010 7,248,308'Spread illuminating apparatus to illuminate two liquid crystal display panels different in screen size'2007 7,111,974'Spread illuminating apparatus adapted to allow light to exit out from both surfaces of light conductive plate'2006 7,066,634'Spread illuminating apparatus having light controlling means'2006 7,035,194'Optical pickup apparatus for reading and recording information on recording media'2006 7,002,892'Optical pickup reproducing apparatus having reading compatibility among recording media with respective recording densities different from one another'2006 6,996,050'Optical pickup apparatus for reading and recording information on recording medium'2006 6,930,962'Optical information reading apparatus with super-resolution cut-off filter'2005 6,877,872'Spread illuminating apparatus with lenticular elements'2005 6,837,588'Spread illuminating apparatus with means for reflecting light dispersely'2005 6,761,461'Spread illuminating apparatus without light conductive bar'2004 6,693,771'Magnetic head with slider including respective cores for high and standard recording densities, and method for producing the same'2004 6,675,464'Method of manufacturing a magnetic head'2004 6,660,986'Information reading and recording apparatus for recording media'2003 6,644,823'Spread illumination apparatus having trapezoidally-shaped grooves'2003 6,631,998'Spread illuminating apparatus'2003 6,624,969'Magnetic head with cutouts corresponding to the number of lead wires'2003 6,624,973'Magnetic head for floppy disk drive and hard disk drive'2003 6,616,316'Spread illuminating apparatus with frame'2003 6,607,297'Spread illuminating apparatus including inclined light scattering portions'2003 6,578,977'Spread illuminating apparatus with irregular interval of grooves of light reflection pattern'2003 6,561,662'Spread illuminating apparatus'2003 6,561,661'Spread illuminating apparatus with a pair of light sources overlapped in a thickness direction of a transparent substrate'2003 6,467,925'Spread illuminating apparatus'2002 6,297,930'Magnetic head'2001 6,295,104'Front illuminating system with layer between light guide and LCD'2001 6,286,970'Spread illuminating apparatus'2001 6,278,581'Floating magnetic head having a magnetic head core fixed to a slider side surface'2001 6,226,148'Magnetic head'2001 6,075,681'Magnetic head assembly having symmetrically positioned shield rings'2000 5,963,402'Magnetic head and method for producing the same'1999 5,889,642'Magnetic head'1999 5,661,447'Coil bobbin for a magnetic head core'1997 5,548,459'Floating magnetic head'1996 5,546,251'Floating magnetic head having a magnetic head core with a balanced winding bonded to a slider side surface'1996 5,485,332'Floating magnetic head having a chamfered magnetic head core'1996 5,359,481'Composite type floating magnetic head'1994 5,349,487'Floating magnetic head with a head core-reinforcing portion'1994 5,260,845'Magnetic head having a thin film conductor coil assembly formed separate from a magnetic head core'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2010Patents assigned to MINEBEA CO LTD (41)· patent assignee history

1993–2007Based in Iwata, JP· patent location history

1994–2001Based in Shizuoka, JP· patent location history

1999–2001Based in Asaba-cho, JP· patent location history

2001Patents assigned to MINEBA CO LTD (1)· patent assignee history

2010Based in Kitasaku-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINEBEA CO LTD	41	1993–2010
MINEBA CO LTD	1	2001

Locations

Location	Patents	Span
Iwata, JP	25	1993–2007
Shizuoka, JP	8	1994–2001
Asaba-cho, JP	5	1999–2001
Kitasaku-gun, JP	4	2010