Inventor

Takamitsu Sakamoto

Inventor

Tokyo, JP

Overview

23→

Patents

2007–2021

Patent span

Physics

Primary field (CPC G)

Patents· 23 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 transducer42%

A61BDiagnosis29%

Y10TTechnical subjects covered by former us classification10%

A61LMethods or apparatus for sterilising materials or objects in general6%

A61FFilters implantable into blood vessels3%

G02BOptical elements, systems or apparatus3%

H04NPictorial communication, e.g. television3%

LOC243%

PatentTitleYear

10,987,122Ultrasonic probe2021 10,945,754Ultrasound device2021 D0906521Combined ultrasonic treatment device and probe for arthroscopic surgery2020 10,568,495Scanning endoscope system2020 10,383,642Surgical procedure of knee joint2019 10,123,816Arthroendoscopical surgical method using ultrasonic treatment tool2018 10,098,654Arthroendoscopical surgical method2018 10,010,338Meniscectomy by arthroendoscopical surgical method2018 9,636,160'Implant'2017 9,510,884'Biodegradable implant and fabrication method thereof'2016 8,072,231'Testing method of wafer with thin-film magnetic heads and manufacturing method of thin-film magnetic head'2011 8,000,064'Thin-film magnetic head for perpendicular magnetic recording and method of making the same'2011 7,948,716'Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing same'2011 7,848,056'Thin film magnetic head having thermal expansion layer for suppressing thermal protrusion'2010 7,832,085'Method of manufacturing magnetic head and method of manufacturing magnetic head substructure'2010 7,808,743'Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing time'2010 7,796,359'Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer'2010 7,787,215'Thin film magnetic head in which thermal protrusion is suppressed and method of forming the same'2010 7,724,471'Thin-film magnetic head with heating means for adjusting magnetic spacing'2010 7,675,716'Composite thin-film magnetic head, magnetic head assembly and magnetic disk drive apparatus'2010 7,372,667'Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, head arm assembly with head gimbal assembly, magnetic disk drive apparatus with head gimbal assembly and manufacturing method of thin-film magnetic head'2008 7,321,480'Thin-film magnetic head having magnetic layers of different thicknesses and fabrication method for same'2008 7,239,480'Thin film magnetic head having an upper pole portion with a width that increases towards an abs'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2011Patents assigned to TDK CORP (13)· patent assignee history

2007–2020Based in Tokyo, JP· patent location history

2010–2011Patents assigned to SAE MAGNETICS HK LTD (7)· patent assignee history

2011Patents assigned to HASEGAWA YASUHIRO (1)· patent assignee history

2011Patents assigned to OTANI KOICHI (1)· patent assignee history

2016–2021Patents assigned to OLYMPUS CORP (10)· patent assignee history

2016–2021Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TDK CORP	13	2007–2011
OLYMPUS CORP	10	2016–2021
SAE MAGNETICS HK LTD	7	2010–2011
HASEGAWA YASUHIRO	1	2011
OTANI KOICHI	1	2011

Locations

Location	Patents	Span
Tokyo, JP	15	2007–2020
Hachioji, JP	8	2016–2021