LexDanaLexDanabeta
Inventor

Masashi Okamoto

Inventor
Hyogo, JP

Overview

77→
Patents
1985–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 77 as inventor

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

H05Bprimary
H05BElectric heating26%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications18%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
H01JElectric discharge tubes or discharge lamps7%
H04NPictorial communication, e.g. television7%
G02BOptical elements, systems or apparatus5%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
G03HHolographic processes or apparatus2%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems2%
PatentTitleYear
10,378,963Optical system phase acquisition method and optical system evaluation method201910,365,164Optical system phase acquisition method and optical system evaluation method201910,267,348Bolt for peeling coating film201910,191,362Light source unit and projector201910,113,054Molded article comprising polyamide resin composition201810,031,407Light source unit and projector20189,902,843'Polyamide resin composition and molded product'20189,874,330Light projection device and head lamp for vehicle20189,749,603'Projector light source unit having intensity controller'20179,615,069'Light source unit and projector'20179,592,762'Vehicle driving assistance apparatus'20179,581,885'Light source apparatus and projector'20179,578,726'Discharge lamp lighting apparatus and projector'20179,509,967'Light source device and projector'20169,488,849'Coherent light source device and projector'20169,380,686'Discharge lamp lighting apparatus and projector'20168,960,927'Coherent light source apparatus and projector'20158,950,873'Light source apparatus and projector'20158,905,591'Linear light source apparatus'20148,784,624'Enzyme electrode'20148,466,630'Discharge lamp lighting apparatus'20138,358,079'Discharge lamp light apparatus'20138,305,000'Discharge lamp lighting apparatus'20128,294,390'Discharge lamp lighting apparatus'20128,030,618'Pellet for use in spectrometry, method of preparing the same, and method of spectrometry'20117,845,805'Discharge lamp lighting apparatus and projector'20107,847,492'Discharge lamp lighting apparatus and projector'20107,567,041'Discharge lamp lighting apparatus and projector'20097,560,877'Operation circuit for a discharge lamp and device for operation of a discharge lamp and a light source device'20097,531,965'Discharge centering lamp lighting device'20097,365,497'Discharge lamp ignition device and projector'20087,355,355'Discharge lamp lighting apparatus'20087,332,868'Discharge lamp lighting device'20087,332,874'Discharge lamp ignition device'20087,301,289'Discharge lamp lighting control device'20077,239,090'Discharge lamp lighting apparatus'20077,078,868'DC—DC converter and device for operation of a high pressure discharge lamp using said converter'20067,078,867'DC—DC converter and device for operation of a high pressure discharge lamp using said converter'20067,015,651'Light source device having a discharge lamp with high radiance and a current feed controller'20067,012,381'DC—DC converter and device for operation of a high pressure discharge lamp using the converter'20066,994,955'Assay method of a complex of lipoprotein with hemoglobin or hemoglobin analog'20066,946,807'Lamp lighting apparatus for a discharge lamp'20056,919,686'Discharge lamp having an auxiliary light source to produce light with a short wavelength'20056,894,437'Light source device'20056,871,000'Plastic optical fiber, optical fiber cable, plugged optical fiber cable, and production methods thereof'20056,838,838'Power feeding apparatus for discharge lamp'20056,788,008'Device for operating a dielectric barrier discharge lamp'20046,759,811'Light source device'20046,734,643'Light source device'20046,661,184'Light source device'20036,646,391'Light source device of a dielectric barrier discharge lamp'20036,605,906'Light source device'20036,597,118'High-pressure mercury lamp luminescent device and means of ignition'20036,569,523'Carbon fiber bundle'20036,552,502'Light source device'20036,524,862'Complex of lipoprotein with hemoglobin or hemoglobin analog'20036,503,624'Carbon fiber precursor fiber bundle and manufacturing method of the same'20036,495,972'Dielectric barrier discharge lamp light source'20026,483,253'Light source'20026,445,137'Dielectric barrier discharge lamp apparatus'20026,376,998'Feeding device for discharge lamp'20026,373,192'Dielectric barrier discharge lamp and irradiation device'20026,369,519'Dielectric barrier discharge lamp light source'20026,356,033'Light source using dielectric barrier discharge lamp, and power supply'20026,239,559'Light source using dielectric barrier discharge lamp'20015,936,358'Dielectric barrier discharge device'19995,911,931'Resin forming method'19995,882,690'Resin forming nozzle device and resin forming method using same'19995,763,999'Light source device using a double-tube dielectric barrier discharge lamp and output stabilizing power source'19985,759,866'Device and method for assaying biological components in sample'19985,127,079'Multifilament type plastic optical fiber endoscope'19924,980,012'Apparatus for preparation of a sheet-shaped photoconductor'19904,781,832'Hollow-fiber filter module'19884,769,717'Apparatus for producing images'19884,720,342'Hollow-fiber filter module with filtrate conduit'19884,556,918'Method and apparatus for generating screened halftone images'19854,517,608'Image recording device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2006Based in Akashi, JP· patent location history
1988–2005Patents assigned to MITSUBISHI RAYON CO (9)· patent assignee history
1990–2003Based in Otake, JP· patent location history
1998–2019Patents assigned to USHIO ELECTRIC INC (57)· patent assignee history
1998–2018Based in Hyogo, JP· patent location history
2003–2014Patents assigned to ARKRAY INC (4)· patent assignee history
2008–2016Based in Himeji, JP· patent location history
2012–2014Patents assigned to OKAMOTO MASASHI (6)· patent assignee history
2012–2013Patents assigned to SAMEJIMA TAKANORI (3)· patent assignee history
2018–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
USHIO ELECTRIC INC571998–2019
MITSUBISHI RAYON CO91988–2005
OKAMOTO MASASHIself62012–2014
ARKRAY INC42003–2014
SAMEJIMA TAKANORI32012–2013
Locations
LocationPatentsSpan
Hyogo, JP291998–2018
Akashi, JP221985–2006
Tokyo, JP62018–2019
Otake, JP61990–2003
Himeji, JP42008–2016