Saitama
Japan
13
2010-03-04
The entities that hold a legal rights for patent applications filed by inventor Maruyama Yoji:
Yoji Maruyama from Saitama, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Magnetic head having a facing electrode pair for generating an electromagnetic field and applying energy to the magnetic recording layer
#2 | 2009-11-26MAGNETIC HEAD FOR PERPENDICULAR RECORDING AND MAGNETIC RECORDING APPARATUS
#3 | 2009-06-18Thin film magnetic head and manufacturing method thereof
#4 | 2009-03-05Perpendicular magnetic recording head and method for manufacturing the same
#5 | 2008-09-25Perpendicular recording magnetic head
#6 | 2008-08-21Magnetic head having write pole, first soft magnetic films separately disposed on both sides of the main pole, and a second soft magnetic film disposed on a trailing side of the main pole
#7 | 2007-06-28Perpendicular magnetic head with side shield depth less than write gap film
#8 | 2007-01-25Main pole structure coupled with trailing gap for perpendicular recording
#9 | 2006-09-14Perpendicular magnetic recording head for high frequency drive
#10 | 2006-04-20Magnetic head with recessed portion, and magnetic recording and reproduction apparatus comprising the same
#11 | 2006-04-20Magnetic head to prevent undesired data erasure and magnetic disk storage having the same
#12 | 2005-06-09Magnetic write head including a magnetic pole piece having a protrusion
#13 | 2005-03-03Magnetic disk drive having a function for using a thermal protrusion amount for flying height management and an inspection device having such a function
3589592 ⎘