Inventor
Yen-Chuan Lai
Inventor
Chiayi, TW
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Cprimary
A47CChairs36%
LOC0636%
B60NSeats specially adapted for vehicles14%
B25HWorkshop equipment, e.g. for marking-out work7%
LOC087%
PatentTitleYear
10,667,616Lifting structure for armrest202010,376,064Adjustable lifting structure for chair back201910,376,065Adjustable lifting structure for chair back2019D0797547'Rotating device for armrest'2017D0793788'Chair back adjuster'20179,603,456'Rotating device for armrest'2017D0736551'Elevating part of a chair back'2015D0702470'Chair armrest'20148,596,598'Table with telescopic legs'2013D0670515'Chair armrest'2012D0670516'Chair armrest'20128,303,040'Pillow support structure of a chair'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2017Patents assigned to LAI YEN-CHUAN (9)· patent assignee history
2012–2017Patents assigned to LAI YU-SHAN (9)· patent assignee history
2012–2017Based in Chiayi, TW· patent location history
2017–2020Based in Taibao, TW· patent location history
2019–2020Patents assigned to LAI YEN CHUAN (3)· patent assignee history
2019Patents assigned to LAI YEN JI (2)· patent assignee history
2020Patents assigned to LAI YEN CHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LAI YEN-CHUANself | 9 | 2012–2017 |
| LAI YU-SHAN | 9 | 2012–2017 |
| LAI YEN CHUANself | 3 | 2019–2020 |
| LAI YEN JI | 2 | 2019 |
| LAI YEN CHI | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiayi, TW | 7 | 2012–2017 |
| Taibao, TW | 5 | 2017–2020 |