Inventor

CAI ZHIHUA

CN9 patents

⚠️ This page may combine multiple inventors who share the name “CAI ZHIHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PREC BIOMEMS CORPORATION

2 patents

US11885704B2Jan 30, 2024

Flexible two-dimensional sheet array of electronic sensor devices

PREC BIOMEMS CORPORATION2 citations64

US12013304B2Jun 18, 2024

Electronic force and pressure sensor devices having flexible layers

PREC BIOMEMS CORPORATION0 citations54

TRONICS MEMS INC

2 patents

US11699539B2Jul 11, 2023

Three-dimensional thermistor platform and a method for manufacturing the same

TRONICS MEMS INC0 citations53

US11114223B1Sep 7, 2021

Three-dimensional thermistor platform and a method for manufacturing the same

TRONICS MEMS INC0 citations53

(unassigned)

1 patent

US5638740AJun 17, 1997

Apparatus for brewing espresso and cappuccino

209 citations96

GELMAN SCIENCES INC

1 patent

US5209849AMay 11, 1993

Hydrophilic microporous polyolefin membrane

GELMAN SCIENCES INC107 citations94

CAI ZHIHUA

1 patent

US5267506ADec 7, 1993

Apparatus for automatic coffee brewing

CAI ZHIHUA105 citations91

JINGTAI HEALTH TECH DONGGUAN CO LTD

1 patent

USD1078031SJun 3, 2025

Breathing training device

JINGTAI HEALTH TECH DONGGUAN CO LTD0 citations54

MAXCRAFT DOORS INC

1 patent

US8826619B2Sep 9, 2014

Wood-fiberglass hybrid panel door

MAXCRAFT DOORS INC0 citations43