Inventor
NI KAI
US17 patents
⚠️ This page may combine multiple inventors who share the name “NI KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRADUATE SCHOOL SHENZHEN TSINGHUA UNIV
6 patentsUS9470824B2Oct 18, 2016
Manufacture method for blazed concave grating
GRADUATE SCHOOL SHENZHEN TSINGHUA UNIV2 citations59
US10475634B2Nov 12, 2019
Vacuum electro-spray ion source and mass spectrometer
GRADUATE SCHOOL SHENZHEN TSINGHUA UNIV0 citations38
US10345149B2Jul 9, 2019
Method of spectrometer and spectrometer
GRADUATE SCHOOL SHENZHEN TSINGHUA UNIV0 citations38
US10146179B2Dec 4, 2018
Exposure method of holographic grating and exposure light path
GRADUATE SCHOOL SHENZHEN TSINGHUA UNIV0 citations38
US10061122B2Aug 28, 2018
Optimized design method for manufacturing fresnel grating
GRADUATE SCHOOL SHENZHEN TSINGHUA UNIV0 citations34
US10161904B2Dec 25, 2018
Method for tracing distribution of moving ions in ion mobility spectrometer
GRADUATE SCHOOL SHENZHEN TSINGHUA UNIV0 citations33
TARGET BRANDS INC
4 patentsUS11373233B2Jun 28, 2022
Item recommendations using convolutions on weighted graphs
TARGET BRANDS INC5 citations71
US11995702B2May 28, 2024
Item recommendations using convolutions on weighted graphs
TARGET BRANDS INC0 citations61
US11676194B2Jun 13, 2023
Faceted item recommendation system
TARGET BRANDS INC1 citations58
US12468992B2Nov 11, 2025
Item substitution techniques for assortment optimization and product fulfillment
TARGET BRANDS INC0 citations44