LexDanaLexDanabeta
Inventor

TAKUYA MATSUMOTO

Inventor
JP

Overview

67→
Patents
2021–2026
Patent span
Physics
Primary field (CPC G)

Patents· 67 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 transducer23%
H01FMagnets7%
C21DModifying the physical structure of ferrous metals6%
C22CAlloys6%
F16HGearing4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
H02KDynamo-electric machines4%
A01DHarvesting4%
G06FElectric digital data processing4%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
12,566,486Semiconductor device202612,534,170Outboard motor202612,518,782Heat assisted magnetic recording head comprising a thermally stable material202612,506,321Vertical cavity surface emitting laser and head gimbal assembly202512,492,477Non-oriented electrical steel sheet and surface treatment agent for non-oriented electrical steel sheet202512,469,625Non-oriented electrical steel sheet202512,421,568Non-oriented electrical steel sheet and method of manufacturing the same202512,420,589Radial tire for aircraft202512,315,539Heat assisted magnetic recording (HAMR) write head with enhanced stability and methods for making the same202512,313,036Electric power generating device202512,302,782Work machine202512,270,049Differentiation-promoted pluripotent stem cell and use thereof202512,273,003Breather device for motor case202512,260,879Magnetic recording and reproducing device and control method thereof202512,249,355Multi-layer NFT for HAMR with a thermal shunt connecting the metal layers202512,230,296Magnetic recording/reproducing device202512,218,560Electric power unit202512,148,555Non-oriented electrical steel sheet202412,148,458Assist cores for spot size converter for heat assisted magnetic recording202412,119,032Near-field transducer for heat assisted magnetic recording comprising of thermally stable material layer202412,057,149Heat-assisted magnetic recording (HAMR) head with main pole having narrow pole tip with plasmonic layer202412,039,064Information processing device, information processing method, information processing program, and information processing system202412,002,495Magnetic disk device and method of adjusting preheat time202411,993,902Work machine having a breather device for gear case202411,955,147Magnetic recording/reproducing device202411,952,447Polymerizable composition for dental material, and dental material obtained from said composition2024D1018348Wristwatch dial202411,910,747Electric work machine with cooling air ventilation202411,898,216Seamless steel pipe heat-treatment-finishing-treatment continuous facility202411,894,018Heat-assisted magnetic recording (HAMR) head with main pole having narrow plasmonic recess202411,881,231Heat-assisted magnetic recording (HAMR) head with main pole having recess for plasmonic material202411,866,797Non-oriented electrical steel sheet202411,854,584Current assisted HAMR magnetic writer202311,817,677Vertical cavity surface emitting laser, head gimbal assembly, and fabrication process202311,782,270Head-up display, head-up display system, and mobile body202311,785,026Information processing device, information processing method and information processing program202311,715,986Motor including winding including inner bent portion and outer bent portion and method of manufacturing motor202311,697,896Method for producing a biodegradable nonwoven fabric202311,670,331Magnetic disk device202311,657,845Beam combiner for VCSEL array in HAMR head202311,651,791Heat-assisted magnetic recording (HAMR) head with tapered main pole and heat sink material adjacent the pole202311,651,787VCSEL array for HAMR202311,651,786VCSEL array for HAMR202311,600,292Magnetic disk device202311,585,394Work machine202311,533,848Lawn mower202211,532,329Heat-assisted magnetic recording (HAMR) head with main pole having recess for plasmonic material202211,514,946Heat-assisted magnetic recording (HAMR) slider with stray light removal202211,508,400Magnetic disk device with recording head including spin torque oscillator202211,499,059Electrical steel sheet202211,462,243Heat-assisted magnetic recording (HAMR) head with tapered main pole and heat sink material adjacent the pole202211,437,069Magnetic recording and reproducing device202211,398,246VCSEL array for HAMR202211,368,472Information processing device and program202211,328,747Heat-assisted magnetic recording (HAMR) head with heat sink material adjacent the waveguide202211,302,352VCSEL array for HAMR202211,295,881Non-oriented electrical steel sheet, manufacturing method of non-oriented electrical steel sheet, and manufacturing method of motor core202211,291,365OCT system and reference attachment202211,290,366Communication apparatus and communication method202211,279,985Non-oriented electrical steel sheet202211,250,879Heat-assisted magnetic recording (HAMR) head with optically reflective shield material adjacent the waveguide202211,241,920Pneumatic radial tire for aircraft202211,189,317Magnetic recording apparatus and method of controlling magnetic head thereof202111,181,180Motor-integrated transmission device202111,149,842Transmission ratio controller and method for determining transmission ratio202111,149,844Transmission ratio controller and method for determining transmission ratio abnormality202111,143,294Transmission ratio controller and method for determining transmission ratio abnormality2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to HONDA MOTOR CO LTD (9)· patent assignee history
2021–2025Patents assigned to TOSHIBA ELECTRONIC DEVICES & STORAGE CORP (9)· patent assignee history
2021–2025Patents assigned to TOSHIBA KK (9)· patent assignee history
2021–2026Based in JP· patent location history
2022–2026Patents assigned to WESTERN DIGITAL TECH INC (22)· patent assignee history
2022–2025Patents assigned to NIPPON STEEL CORP (9)· patent assignee history
2022–2026Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTERN DIGITAL TECH INC222022–2026
HONDA MOTOR CO LTD92021–2026
NIPPON STEEL CORP92022–2025
TOSHIBA ELECTRONIC DEVICES & STORAGE CORP92021–2025
TOSHIBA KK92021–2025
Locations
LocationPatentsSpan
JP452021–2026
US222022–2026