Inventor
Masayuki Nishimura
Inventor
Yokohama, JP
Overview
Patents· 104 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus31%
H04BTransmission16%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%
C03BManufacture, shaping, or supplementary processes5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
C03CChemical composition of glasses, glazes or vitreous enamels3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
B01DSeparation2%
B82YSpecific uses or applications of nanostructures2%
G03GElectrography2%
PatentTitleYear
10,864,632Direct teaching method of robot202010,751,874Method of teaching robot and robotic arm control device202010,073,395Image forming apparatus and print sheet201810,056,185Ignition coil realizing a closed magnetic circuit and higher efficiency20189,259,669'Preparative separation/purification system'20168,974,666'Preparative separation/purification system'20158,968,561'Preparative separation/purification system'20158,607,620'Preparative separation/purification system'20138,385,743'Channel allocation method for multi-channel optical transmission and optical transmission system utilizing the method'20138,258,670'Motor including supporting portion contacting stator'20127,580,183'Light generator, optical amplifier, and optical communication system'20097,484,387'Method of making a microstructured optical fiber'20097,330,302'Optical transmission system'20087,155,148'Image forming apparatus'20067,153,034'Method of constructing an optical transmission line and an optical transmission line'20067,085,040'Optical transmission line, method of making optical transmission line, and optical transmission system'20066,993,218'Optical switch and optical switch array'20066,952,309'Optical amplifier and optical amplification method'20056,907,181'Variable optical attenuator'20056,907,172'Optical transmission line and optical communication system'20056,907,171'Optical fiber composite and optical fiber cable and production method thereof'20056,892,003'Variable dispersion compensator and optical transmission system'20056,859,598'Microstructured optical fiber'20056,819,829'Optical communication system'20046,819,477'Raman amplifier module and optical transmission system using the same'20046,806,999'Raman amplification pumping module, Raman amplifier, and optical communication system'20046,801,683'Optical module, light divider/insertor and light transmission device'20046,798,564'Raman amplification method, raman amplifier, and optical transmission system'20046,795,235'Optical transmission line, method of making optical transmission line, and optical transmission system'20046,782,168'Apparatus for and method of monitoring wavelength multiplexed signal light as well as optical transmission system using the same'20046,782,151'Raman amplifier, optical transmission system and optical fiber'20046,782,155'Optical switch'20046,782,185'Optical variable attenuator and optical module'20046,769,822'Optical fiber composite and optical fiber cable and production method thereof'20046,766,088'Optical fiber and method for making the same'20046,763,194'Optical transmission system and channel assigning method'20046,728,452'Optical cable, method of installing optical cable, and optical transmission line'20046,724,525'Raman amplifying control unit and optical transmission system'20046,718,105'Optical fiber'20046,704,135'Operation mode switching apparatus, Raman amplifier and optical transmission system'20046,659,614'Variable dispersion compensator and optical transmission system'20036,643,431'Optical device and control method thereof'20036,636,677'Optical fiber'20036,633,698'Optical filter'20036,618,532'Optical transmission line'20036,606,440'Microstructured optical fiber'20036,574,397'Optical multiplexer/demultiplexer'20036,571,045'Microstructured optical fiber'20036,567,595'Optical fiber line, optical transmission line, method of making optical cable, and method of laying optical transmission line'20036,560,381'Optical filter'2003RE038086'Dispersion compensating fiber and optical transmission system including the same'20036,535,677'Dispersion-managed optical fiber, method of manufacturing the same, optical communication system including the same and optical fiber preform therefor'20036,526,209'Optical fiber having improved optics and structure'20036,512,613'WDM transmission repeater, WDM transmission system and WDM transmission method'20036,507,680'Planar lightwave circuit module'20036,498,874'Optical transmission line'20026,487,353'Dispersion-shifted optical fiber'20026,483,970'Fiber optic cable and optical transmission system'20026,480,312'Dispersion compensating system used for bi-directional optical communication'20026,473,548'Multiple fiber optical cable and method of manufacturing multiple fiber optical cable'20026,473,546'Optical multiplexer/demultiplexer'20026,424,760'Optical multiplexer/demultiplexer'20026,421,484'Optical fiber transmission line and optical cable including the same'20026,347,174'Non-linear optical fiber, optical fiber coil, and wavelength converter'20026,339,325'Apparatus for detecting gear positions of automobile transmission'20026,323,642'Detector for determining rotational speed and position for an internal combustion engine'20016,282,361'Multi-channel variable optical attenuator'20016,259,554'Optical amplifier repeater system'20016,256,440'Dispersion-shifted optical fiber'20016,169,837'Dispersion-flattened optical fiber'20016,144,784'Optical input/output module and light-reflecting device'20006,131,014'Bidirectional communication system and upstream communication noise level determination method'20006,023,599'Positioning mechanism for developing unit in image forming apparatus'20005,960,146'Optical fiber and light source apparatus'19995,904,605'Cooling apparatus for outboard motor'19995,883,990'Low transmission loss optical fiber having a grating'19995,852,701'Dispersion-shifted fiber'19985,838,867'Dispersion compensating fiber and optical transmission system including the same'19985,788,898'Process of making polypropylene heat shrinkable film'19985,721,635'Optical fiber amplifier and optical amplifier repeater'19985,721,800'Dispersion-shifted fiber'19985,702,784'Polypropylene heat shrinkable film'19975,694,239'Optical phase conjugator, optical transmission system using the same, and optical phase conjugation method'19975,680,491'Optical fiber dispersion compensation device for optical communication system'19975,661,826'Transmission line switching apparatus'19975,640,269'Optical fiber amplifier and optical amplifier repeater'19975,613,021'Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit'19975,581,644'Transmission line switching apparatus'19965,572,357'Optical system for amplifying signal light'19965,534,737'Composite motor'19965,532,870'Optical fiber amplifier and optical amplifier repeater'19965,509,098'Optical transmission line and a method of forming thereof'19965,504,825'Optical fiber switching device and method'19965,446,820'Mode field diameter conversion optical fiber'19955,430,822'Optical communication system including dispersion compensating optical fibers'19955,386,485'Optical fiber switching device having an optical fiber length adjustment unit and method for using the same'19955,381,261'Optical isolator'19955,381,503'Mode field diameter conversion fiber'19955,265,179'Method of manufacturing fiber-optic collimators'19935,177,322'Developing device having toner carrying body and method of fabricating toner carrying body'19934,838,690'Simultaneous bi-directional optical time domain reflectometry method'19894,779,978'Method of measuring the refractive index profile of optical fibers'19884,715,695'Fiber for optical transmission'19874,662,743'Method of measuring the geometry of optical fibers'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2013Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (82)· patent assignee history
1987–2018Based in Kanagawa, JP· patent location history
1987–1989Based in Durham, NC, US· patent location history
1993–2018Patents assigned to FUJI XEROX CO LTD (4)· patent assignee history
1993–2013Based in Yokohama, JP· patent location history
1995–1999Patents assigned to NIPPON TELEGRAPH & TELEPHONE (7)· patent assignee history
2001–2018Based in Osaka, JP· patent location history
2012–2016Patents assigned to NISHIMURA MASAYUKI (6)· patent assignee history
2013–2016Patents assigned to BOUGHTFLOWER BOB (4)· patent assignee history
2013–2016Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO ELECTRIC INDUSTRIES | 82 | 1987–2013 |
| NIPPON TELEGRAPH & TELEPHONE | 7 | 1995–1999 |
| NISHIMURA MASAYUKIself | 6 | 2012–2016 |
| BOUGHTFLOWER BOB | 4 | 2013–2016 |
| FUJI XEROX CO LTD | 4 | 1993–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 76 | 1993–2013 |
| Kanagawa, JP | 7 | 1987–2018 |
| Kyoto, JP | 4 | 2013–2016 |
| Osaka, JP | 3 | 2001–2018 |
| Durham, NC, US | 3 | 1987–1989 |