LexDanaLexDanabeta
Inventor

Masao Ikeda

Inventor
Kanagawa, JP

Overview

69→
Patents
1977–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 69 as inventor

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

H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light25%
H10HInorganic light-emitting semiconductor devices having potential barriers14%
B82YSpecific uses or applications of nanostructures12%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
C30BSingle-crystal growth5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
A61BDiagnosis4%
B24BMachines, devices, or processes for grinding or polishing3%
G11BInformation storage based on relative movement between record carrier and transducer2%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
PatentTitleYear
10,646,228Endoscopic clip device and clip202010,492,794Clip cartridge201910,363,397Catheter, catheter manipulation part, and catheter manufacturing method20199,919,135'Sheath for gastrostoma, sheathed dilator, sheath for gastrostoma with insertion aid, gastrostomy catheter kit, and method of splitting sheath for gastrostoma'20189,905,719'Multi-junction solar cell, photoelectric conversion device, and compound-semiconductor-layer lamination structure'2018RE045973'Semiconductor optical amplifier'20169,212,961'Grinding abnormality monitoring method and grinding abnormality monitoring device'20158,786,941'Semiconductor optical amplifier'20148,615,027'Laser diode, optical disk device and optical pickup'20138,591,525'Hemorrhoid ligation apparatus, ligation kit containing the apparatus and method for ligating hemorrhoid'20138,588,264'Method of driving a laser diode'20138,587,004'Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method'20138,575,626'Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same'20138,460,958'Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method'20138,442,079'Mode-locked semiconductor laser device and driving method thereof'20138,329,483'Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same'20128,303,607'Medical device'20128,290,005'Method of driving a laser diode'20128,277,463'Medical device and method of fixing internal organ'20128,116,343'Method of driving a laser diode'20128,111,723'Method of driving a laser diode'20128,081,669'Method of driving laser diode device and laser diode equipment'20118,080,434'Nondestructive testing method for oxide semiconductor layer and method for making oxide semiconductor layer'20118,008,165'Nitride semiconductor wafer and method of processing nitride semiconductor wafer'20117,964,419'Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method'20117,786,488'Nitride semiconductor wafer and method of processing nitride semiconductor wafer'20107,561,606'Semiconductor laser, method of mounting semiconductor laser, semiconductor laser mounted structure, and optical disk system'20097,535,082'Nitride semiconductor wafer and method of processing nitride semiconductor wafer'20097,528,540'Light emitting device and optical device using the same'20097,439,546'Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method'20087,372,080'Gan semiconductor device'20087,339,195'Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method'20087,149,235'Multi-beam semiconductor laser device'20067,125,732'Semiconductor light emitting device and its manufacturing method'20067,119,487'Semiconductor light emitting device with stacked light emitting elements'20066,991,952'Method of manufacturing semiconductor device'20066,956,322'Semiconductor light emitting device with stacked light emitting elements'20056,950,451'Multi-beam semiconductor laser element'20056,875,082'Nitride semiconductor wafer and method of processing nitride semiconductor wafer'20056,870,193'Semiconductor light emitting device and its manufacturing method'20056,836,498'Semiconductor laser, semiconductor device and nitride series III-V group compound substrate, as well as manufacturing method thereof'20046,603,147'Semiconductor light emitting device'20036,577,662'Semiconductor laser, and manufacturing method thereof, semiconductor device and manufacturing method thereof'20036,509,579'Semiconductor device'20036,501,154'Semiconductor substrate made of a nitride III-V compound semiconductor having a wurtzite-structured crystal structure'20026,471,769'Method of manufacturing a nitride series III-V group compound semiconductor'20026,312,967'Semiconductor device and manufacture method thereof, as well as light emitting semiconductor device'20016,111,277'Semiconductor device as well as light emitting semiconductor device'20005,993,542'Method for growing nitride III-V compound semiconductor layers and method for fabricating a nitride III-V compound semiconductor substrate'19995,989,339'MBE system and semiconductor device fabricated, using same'19995,943,355'Semiconductor light emitting device'19995,872,023'Method of fabricating of light emitting device with controlled lattice mismatch'19995,865,897'Method of producing film of nitrogen-doped II-VI group compound semiconductor'19995,780,322'Method for growing a II-VI compound semiconductor layer containing cadmium and method for fabricating a semiconductor laser'19985,695,556'Determination of critical film thickness of a compound semiconductor layer, and a method for manufacturing a semiconductor device using the method of determination'19975,633,514'Semiconductor light emitting device with lattice-matching and lattice-mismatching'19975,547,858'Method for purification of amino acids, nucleic acids using a hydrocyclone'19965,489,577'Semi-solid pharmaceutical agent and process for producing the same'19965,481,558'Light emitting device'19965,471,067'Semiconductor metal contacting structure and a light emitting device'19955,279,744'Method for purification of an amino acid using ion exchange resin'19945,234,842'Method of producing p-typed CdS'19935,095,488'Semiconductor laser'19925,041,335'Undercoat composition and a metal substrate coated with a resin composition'19914,790,913'Method for producing an Sn-based multilayer coated steel strip having improved corrosion resistance, weldability and lacquerability'19884,740,977'Semiconductor laser device'19884,713,301'Sn-based multilayer coated steel strip having improved corrosion resistance, weldability and lacquerability'19874,082,744'4-Benzazonine derivatives and process for preparation thereof'19784,008,219'4-Benzazonine derivatives and process for preparation thereof'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2018Patents assigned to SONY CORP (53)· patent assignee history
1988–2018Based in Kanagawa, JP· patent location history
1994–1996Based in Kawasaki, JP· patent location history
2005–2013Based in Miyagi, JP· patent location history
2005–2011Based in Tokyo, JP· patent location history
2011–2018Patents assigned to IKEDA MASAO (17)· patent assignee history
2011–2016Patents assigned to UNIV TOHOKU (11)· patent assignee history
2011–2014Patents assigned to YOKOYAMA HIROYUKI (10)· patent assignee history
2011–2014Patents assigned to OKI TOMOYUKI (9)· patent assignee history
2012–2020Based in Akita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP531988–2018
IKEDA MASAOself172011–2018
UNIV TOHOKU112011–2016
YOKOYAMA HIROYUKI102011–2014
OKI TOMOYUKI92011–2014
Locations
LocationPatentsSpan
Kanagawa, JP381988–2018
Miyagi, JP102005–2013
Akita, JP72012–2020
Tokyo, JP52005–2011
Kawasaki, JP21994–1996