Inventor
HIRAI TAKAYUKI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
12 patentsUS6909546B2Jun 21, 2005
Multipoint lump homogenizing optical system
SUMITOMO ELECTRIC INDUSTRIES46 citations92
US10388433B2Aug 20, 2019
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES3 citations84
US10388432B2Aug 20, 2019
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES3 citations84
US10176908B2Jan 8, 2019
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES8 citations84
US9928937B2Mar 27, 2018
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES14 citations84
US6967777B2Nov 22, 2005
Superposing diffraction optical element homogenizer optical system
SUMITOMO ELECTRIC INDUSTRIES12 citations84
US10418150B2Sep 17, 2019
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES3 citations73
US11114215B2Sep 7, 2021
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US10964452B2Mar 30, 2021
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US7193791B2Mar 20, 2007
Tilt error reducing aspherical single lens homogenizer
SUMITOMO ELECTRIC INDUSTRIES5 citations62
US10699824B2Jun 30, 2020
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US10699825B2Jun 30, 2020
Core electric wire for multi-core cable and multi-core cable
SUMITOMO ELECTRIC INDUSTRIES0 citations52
MITSUBISHI RAYON CO
3 patentsUS5547756AAug 20, 1996
Porous polypropylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous hollow fiber membranes
MITSUBISHI RAYON CO83 citations96
US5294338AMar 15, 1994
Porous polyethylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous polyethylene hollow fiber membranes
MITSUBISHI RAYON CO52 citations92
US5232642AAug 3, 1993
Process of making porous polypropylene hollow fiber membrane of large pore diameter
MITSUBISHI RAYON CO23 citations92