Inventor

Yinshi Liu

Inventor
Foster City, CA, US

Overview

27→
Patents
1998–2013
Patent span
Physics
Primary field (CPC G)

Patents· 27 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 transducer41%
Y10TTechnical subjects covered by former us classification27%
C23CCoating metallic material12%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys10%
C22CAlloys4%
C21DModifying the physical structure of ferrous metals2%
C25DProcesses for the electrolytic or electrophoretic production of coatings2%
H01JElectric discharge tubes or discharge lamps2%
PatentTitleYear
8,503,131'Perpendicular magnetic write head having a novel shield structure'20138,139,320'Write head having independent side shield and trailing shield throat height'20128,108,986'Method for manufacturing a perpendicular magnetic write pole having a large bevel angle'20128,108,985'Method for manufacturing a perpendicular magnetic write head'20128,110,085'Assisted deposition, narrow trench damascene process for manufacturing a write pole of a magnetic write head'20128,066,893'Method for creating a magnetic write pole having a stepped perpendicular pole via CMP-assisted liftoff'20117,950,137'Method for manufacturing a magnetic write head'20117,841,068'Methods of fabricating single-pole recording head having trapezoidal main pole and bevel angle promotion layer'20107,799,138'In-situ method to reduce particle contamination in a vacuum plasma processing tool'20107,726,009'Method of fabricating a perpendicular recording write head having a gap with two portions'20107,656,611'Laminated high moment magnetic films antiferromagnetic coupling as write pole of perpendicular magnetic recording head'20107,648,731'Fabricating perpendicular write elements in perpendicular magnetic recording heads'20107,633,713'Method for controlling the formation of the trailing shield gap during perpendicular head fabrication and head formed thereby'20097,576,951'Perpendicular magnetic write head having a magnetic write pole with a concave trailing edge'20097,525,760'Laminated write gap to improve writer performance'20097,500,302'Process for fabricating a magnetic recording head with a laminated write gap'20097,477,481'Bilayer trailing shield gap for perpendicular head'20097,436,629'Laminated magnetic structure for use in a perpendicular magnetic write head'20087,280,314'Lower saturation field structure for perpendicular AFC pole'20077,248,431'Method of fabricating a perpendicular recording write head having a gap with two portions'20077,239,478'Write element for perpendicular recording in a data storage system'20076,585,866'High purity cobalt sputter target and process of manufacturing the same'20036,509,102'Titanium film'20036,391,172'High purity cobalt sputter target and process of manufacturing the same'20026,302,977'Method of making a target'20015,993,621'Titanium sputtering target'19995,795,410'Control of surface carbides in steel strip'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Based in Monroeville, PA, US· patent location history
2003Based in San Mateo, CA, US· patent location history
2007–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (10)· patent assignee history
2007–2013Patents assigned to LIU YINSHI (7)· patent assignee history
2007–2013Based in Foster City, CA, US· patent location history
2010–2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (7)· patent assignee history
2011–2013Patents assigned to HSIAO WEN-CHIEN DAVID (5)· patent assignee history
2012–2013Patents assigned to ZHENG YI (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI GLOBAL STORAGE TECH102007–2010
HITACHI GLOBAL STORAGE TECH NL72010–2012
LIU YINSHIself72007–2013
HSIAO WEN-CHIEN DAVID52011–2013
ZHENG YI42012–2013
Locations
LocationPatentsSpan
Foster City, California, US212007–2013
Monroeville, Pennsylvania, US51998–2003
San Mateo, California, US12003