Inventor

Yasunori Takahashi

Inventor

Tokyo, JP

Overview

38→

Patents

1976–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 38 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B22Fprimary

B22FWorking metallic powder11%

H01FMagnets11%

Y10TTechnical subjects covered by former us classification11%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

C21DModifying the physical structure of ferrous metals4%

C22CAlloys4%

C23CCoating metallic material4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C08LCompositions of macromolecular compounds3%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%

PatentTitleYear

11,079,012Rotary actuator2021 10,957,266Drive circuit and display apparatus2021 10,909,942Drive circuit and display apparatus2021 10,717,178Fastener driving machine2020 10,083,602Safety device and tool2018 9,499,873'Steel plate having yield strength of 670 to 870 N/mm2 and tensile strength of 780 to 940 N/mm2 '2016 9,472,914'Rotary connector having a positive temperature coefficient device'2016 9,302,376'Rotary tool'2016 9,260,771'Ni-added steel plate and method of manufacturing the same'2016 8,882,942'Ni-added steel plate and method of manufacturing the same'2014 8,647,511'Method for recovering corrosion preventive agent in electrodischarge machining liquid supply apparatus'2014 8,492,469'Positive-type photosensitive resin composition, cured film, protective film, insulating film, and semiconductor device and display device including the cured film'2013 7,990,343'False contour reduction device, display device, false contour reduction method, and false contour reduction program'2011 7,967,923'Steel plate that exhibits excellent low-temperature toughness in a base material and weld heat-affected zone and has small strength anisotropy, and manufacturing method thereof'2011 7,858,721'Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films'2010 7,726,826'Direct-type backlight device'2010 7,594,819'Rotary connector'2009 7,524,594'Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films'2009 7,456,817'Display device'2008 7,071,954'Display device'2006 6,023,455'Loopback cell control system'2000 5,832,033'Clock disturbance detection based on ratio of main clock and subclock periods'1998 5,728,232'Raw material for permanent magnets and production method of the same'1998 5,650,021'Method of producing sintered--or bond-rare earth element-iron-boron magnets'1997 5,580,400'Magnetically anisotropic permanent magnet'1996 5,569,336'Bonded permanent magnet'1996 5,569,333'Process for producing a material for a permanent magnet'1996 5,569,335'Sintered permanent magnet'1996 5,562,782'Method for producing magnetically anisotropic permanent magnet'1996 5,478,409'Method of producing sintered-or bond-rare earth element-iron-boron magnets'1995 5,453,137'Material for a permanent magnet'1995 5,443,617'Powdery raw material composition for a permanent magnet'1995 5,429,790'Method for preparing multilayer dielectric powder condensers'1995 5,179,452'Method for producing copy protected recorded videotape having uncopyable vertical synchronizing signal partition'1993 5,144,529'Capacitor and process for producing same'1992 4,672,009'Magnetic recording medium with vertically oriented magnetic particles'1987 3,980,976'Coaxial connector'1976 3,933,668'Intergranular insulation type polycrystalline ceramic semiconductive composition'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2020Based in Tokyo, JP· patent location history

1995–1997Patents assigned to KAWASAKI TEITOKU CO LTD (9)· patent assignee history

1995–1997Patents assigned to KOMEYA INC (9)· patent assignee history

1995–1997Patents assigned to SANEI KASEI CO LTD (8)· patent assignee history

2009–2016Based in Miyagi, JP· patent location history

2013–2016Patents assigned to TAKAHASHI YASUNORI (4)· patent assignee history

2014–2021Based in Sakai, JP· patent location history

2016–2020Patents assigned to MAX CO LTD (3)· patent assignee history

2016Based in Tokai, JP· patent location history

2021Based in Kariya-city, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KAWASAKI TEITOKU CO LTD	9	1995–1997
KOMEYA INC	9	1995–1997
SANEI KASEI CO LTD	8	1995–1997
TAKAHASHI YASUNORIself	4	2013–2016
MAX CO LTD	3	2016–2020

Locations

Location	Patents	Span
Tokyo, JP	30	1976–2020
Sakai, JP	3	2014–2021
Miyagi, JP	2	2009–2016
Kariya-city, JP	1	2021
Tokai, JP	1	2016