Inventor

Yu-Shan Lai

Inventor
Chiayi, TW

Overview

32→
Patents
1995–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 32 as inventor

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

A47Cprimary
A47CChairs29%
Y10TTechnical subjects covered by former us classification13%
LOC0610%
B60NSeats specially adapted for vehicles5%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
A45BWalking sticks2%
PatentTitleYear
10,991,948Surface-treated copper foil for lithium-ion secondary batteries202110,975,487Electrolytic copper foil and electrode and copper-clad laminate comprising the same202110,923,730Electrodeposited copper foil with anti-burr property2021D0901223Adjuster for an armrest202010,786,082Rotational adjuster of armrest202010,758,052Height adjustment structure of armrest2020D0797547'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'20138,459,746'Adjustable armrest structure for a chair'2013D0670515'Chair armrest'2012D0670516'Chair armrest'20128,303,040'Pillow support structure of a chair'20128,282,170'Adjusting structure for an armrest of a chair'20128,201,952'Projection apparatus and projection system comprising the same'20127,832,805'Adjusting structure for an armrest of a chair'20107,648,207'Rotating structure for armrests'20107,556,316'Elevating structure for armrests'20097,445,397'Height adjustable accessory structure'20087,188,907'Armrest assembly having a position adjusting function'20076,631,953'Backrest elevator device'20036,585,322'Armrest elevator device'20036,095,605'Backrest adjusting device'20005,765,920'Height-adjusting mechanism for arm rest of a chair'19985,640,886'Ascending/descending structure'19975,588,766'Ascending/descending structure'19965,556,170'Sleeve structure of an office chair'19965,451,024'Height adjusting mechanism for a swivel chair'19955,435,626'Armrest-adjusting mechanism'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2003Based in Jhubei City, TW· patent location history
1996–1998Based in Hsin Chu Hsien, TW· patent location history
2007–2017Patents assigned to LAI YU-SHAN (17)· patent assignee history
2008–2017Based in Chiayi, TW· patent location history
2012–2017Patents assigned to LAI YEN-CHUAN (9)· patent assignee history
2017–2020Based in Taibao, TW· patent location history
2020Patents assigned to LAI YEN CHI (3)· patent assignee history
2020Patents assigned to LAI YU SHAN (3)· patent assignee history
2021Patents assigned to CHANG CHUN PETROCHEMICAL CO LTD (3)· patent assignee history
2021Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LAI YU-SHANself172007–2017
LAI YEN-CHUAN92012–2017
CHANG CHUN PETROCHEMICAL CO LTD32021
LAI YEN CHI32020
LAI YU SHANself32020
Locations
LocationPatentsSpan
Chiayi, TW132008–2017
Taibao, TW52017–2020
Jhubei City, TW41996–2003
Taipei, TW32021
Hsin Chu Hsien, TW31996–1998