Inventor
TOKUNARI MASAO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “TOKUNARI MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
39 patentsUS10775573B1Sep 15, 2020
Embedding mirror with metal particle coating
IBM32 citations93
US9341797B2May 17, 2016
Optical module and method for manufacturing optical module
IBM17 citations92
US10598874B2Mar 24, 2020
Fabrication method of high aspect ratio solder bumping with stud bump and injection molded solder, and flip chip joining with the solder bump
IBM6 citations84
US10222555B2Mar 5, 2019
Integrated optoelectronic chip and lens array
IBM4 citations84
US10018781B1Jul 10, 2018
Fluid control structure
IBM16 citations84
US9372305B2Jun 21, 2016
Alignment of single-mode polymer waveguide (PWG) array and silicon waveguide (SIWG) array of providing adiabatic coupling
IBM7 citations84
US10613282B2Apr 7, 2020
Fluid control structure
IBM8 citations83
US9989713B1Jun 5, 2018
Fluid control structure
IBM8 citations83
US9354408B2May 31, 2016
Via for electrical contact passing through layers of optical waveguide in multilayer structure including electrical substrate and laminated layers of optical waveguide
IBM12 citations83
US11112570B2Sep 7, 2021
Fabrication method of high aspect ratio solder bumping with stud bump and injection molded solder, and flip chip joining with the solder bump
IBM1 citations73
US10418351B2Sep 17, 2019
Optoelectronic chip embedded organic substrate
IBM2 citations73
US10043787B2Aug 7, 2018
Optoelectronic chip embedded organic substrate
IBM4 citations73
US9952392B2Apr 24, 2018
Optical module and method for manufacturing optical module
IBM2 citations73
US9720190B2Aug 1, 2017
Optical module and method for manufacturing optical module
IBM2 citations73
US9721812B2Aug 1, 2017
Optical device with precoated underfill
IBM2 citations73
US9658411B2May 23, 2017
Alignment of single-mode polymer waveguide (PWG) array and silicon waveguide (SiWG) array of providing adiabatic coupling
IBM4 citations73
US9389366B2Jul 12, 2016
Optical modules for wavelength multiplexing
IBM4 citations73
US9289921B2Mar 22, 2016
Method of forming single-mode polymer waveguide array connector
IBM4 citations73
US9023256B2May 5, 2015
Method of forming single-mode polymer waveguide array connector
IBM4 citations73
US8971678B2Mar 3, 2015
Spacer resin pattern helping to reduce optical coupling loss in optical waveguide for light-emitting element or light-receiving element on semiconductor
IBM5 citations73
US11460647B2Oct 4, 2022
Lateral mounting of optoelectronic chips on organic substrate
IBM2 citations72
US10914901B2Feb 9, 2021
Lateral mounting of optoelectronic chips on organic substrate
IBM2 citations72
US10371907B2Aug 6, 2019
Fluid control structure
IBM2 citations72
US10365431B2Jul 30, 2019
Optical interconnect structure
IBM2 citations72
US10168494B2Jan 1, 2019
Off-axis micro-mirror arrays for optical coupling in polymer waveguides
IBM1 citations72
US9772462B2Sep 26, 2017
Via for electrical contact passing through layers of optical waveguide in multilayer structure including electrical substrate and laminated layers of optical waveguide
IBM2 citations72
US11181704B2Nov 23, 2021
Fabrication method of high aspect ratio solder bumping with stud bump and injection molded solder, and flip chip joining with the solder bump
IBM0 citations62
US10948659B2Mar 16, 2021
Integrated optoelectronic chip and lens array
IBM0 citations62
US10840428B2Nov 17, 2020
Scalable quantum devices with vertical coaxial resonators
IBM1 citations62
US10690867B1Jun 23, 2020
Optical device with adhesive connection of recess or side protrusion
IBM1 citations62
US12436444B2Oct 7, 2025
Electro-optomechanical quantum transduction
IBM0 citations54
US12532670B2Jan 20, 2026
Vertical transmon structure and its fabrication process
IBM0 citations52
US10782480B2Sep 22, 2020
Integrated optoelectronic chip and lens array
IBM0 citations52
US10310187B2Jun 4, 2019
Integrated optoelectronic chip and lens array
IBM0 citations52
US9927576B2Mar 27, 2018
Optical modules for wavelength multiplexing
IBM0 citations52
US11914204B2Feb 27, 2024
Optical connector device with lid
IBM0 citations51
US10656352B2May 19, 2020
Off-axis micro-mirror arrays for optical coupling in polymer waveguides
IBM0 citations51
US10598872B2Mar 24, 2020
Off-axis micro-mirror arrays for optical coupling in polymer waveguides
IBM0 citations51
US9077450B2Jul 7, 2015
Wavelength division multiplexing with multi-core fiber
IBM0 citations51