P

Inventor

CHANG YEN JEN

TW15 patents
⚠️ This page may combine multiple inventors who share the name “CHANG YEN JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PAX LABS INC

5 patents
US12538942B2Feb 3, 2026

Vaporizer system including vaporizer cartridge

PAX LABS INC1 citations74
US12156536B2Dec 3, 2024

Heater control circuitry for vaporizer device

PAX LABS INC0 citations62
US12108785B2Oct 8, 2024

Vaporizer device body

PAX LABS INC0 citations62
US12102117B2Oct 1, 2024

Vaporizer device with differential pressure sensor

PAX LABS INC0 citations62
US12029237B2Jul 9, 2024

Identification of a cartridge for a vaporizer device

PAX LABS INC0 citations62

JUUL LABS INC

4 patents
US11638443B2May 2, 2023

Heater control circuitry for vaporizer device

JUUL LABS INC5 citations85
US11606970B2Mar 21, 2023

Vaporizer device with differential pressure sensor

JUUL LABS INC4 citations85
US11666086B2Jun 6, 2023

Vaporizer cartridge for a vaporizer

JUUL LABS INC1 citations72
US11632983B2Apr 25, 2023

Vaporizer device body

JUUL LABS INC2 citations72

BENQ CORP

2 patents
US6922837B2Jul 26, 2005

Disc ejection device

BENQ CORP4 citations61
US6577576B2Jun 10, 2003

Optical storage carrier player with an observing window

BENQ CORP1 citations51

CHANG YEN-JEN

1 patent
US7345909B2Mar 18, 2008

Low-power SRAM memory cell

CHANG YEN-JEN116 citations92

BANQ CORP

1 patent
US7237246B2Jun 26, 2007

Position adjustment and damper mechanism for an optical disk drive

BANQ CORP9 citations68

QISDA CORP

1 patent
US7467397B2Dec 16, 2008

Disc player

QISDA CORP0 citations51

CRYSTALVUE MEDICAL CORP

1 patent
US8777411B2Jul 15, 2014

Fundus examination device capable of aiding in gaze fixation and image focusing

CRYSTALVUE MEDICAL CORP0 citations38