Inventor

KAI-CHIEH CHANG

Inventor
TW

Overview

23→
Patents
2021–2026
Patent span
Physics
Primary field (CPC G)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus19%
H04NPictorial communication, e.g. television17%
G06FElectric digital data processing12%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
A47GHousehold or table equipment3%
G06KGraphical data reading3%
G06TImage data processing or generation, in general3%
G07FCoin-freed or like apparatus3%
PatentTitleYear
12,555,428Access system for smart locker and access method thereof202612,551,013Locker system capable of dynamically generating storage space based on object volume and an operation method thereof202612,298,672Semiconductor processing tool and methods of operation202512,265,336Semiconductor processing tool and methods of operation202512,219,123Method for rendering data of three-dimensional image adapted to eye position and display system202512,111,583Semiconductor processing tool and methods of operation202412,088,988Venting device and venting method thereof202411,822,256Semiconductor processing tool and methods of operation202311,809,087Semiconductor processing tool and methods of operation202311,778,165Floating three-dimensional image display system202311,763,845Magnetic stack including non-magnetic seed layer for hard disk drive media202311,687,166Image processing system and image processing device202311,683,469Stereoscopic image display device202311,575,879Stereoscopic image display device202311,545,062Dynamic reference voltage control in display devices202311,483,541Stereoscopic image display device capable of reducing grid visual effect202211,448,898Floating image system202211,416,110Interactive system202211,300,808Stereoscopic image display apparatus202211,287,669Integrated image display device202211,194,402Floating image display, interactive method and system for the same202111,179,040Attachable monitoring device202111,144,194Interactive stereoscopic display and interactive sensing method for the same2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to LIXEL INC (12)· patent assignee history
2021Patents assigned to IWEECARE CO LTD (1)· patent assignee history
2021–2026Based in TW· patent location history
2023–2025Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (5)· patent assignee history
2023Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (1)· patent assignee history
2023Based in US· patent location history
2026Patents assigned to CHANG KAI CHIEH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LIXEL INC122021–2025
TAIWAN SEMICONDUCTOR MFG CO LTD52023–2025
CHANG KAI CHIEHself22026
HEWLETT PACKARD DEVELOPMENT CO12023
IWEECARE CO LTD12021
Locations
LocationPatentsSpan
TW222021–2026
US12023