LexDanaLexDanabeta
Inventor

Liang Yao

Inventor
San Francisco, CA, US

Overview

2→
Patents
2017–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B43Lprimary
B43LArticles for writing or drawing upon50%
E04BGeneral building constructions50%
PatentTitleYear
10,731,329Reusable modular housing system20209,555,661'Electric pencil sharpener with a replaceable cutter assembly'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to CHANG CHIEN-HSING (1)· patent assignee history
2017Patents assigned to CHENG CHE-CHANG (1)· patent assignee history
2017Patents assigned to SDI CORP (1)· patent assignee history
2017Patents assigned to YAO LIANG-LIANG (1)· patent assignee history
2017Based in Chang Hua Hsien, TW· patent location history
2020Patents assigned to AIRBNB INC (1)· patent assignee history
2020Based in San Francisco, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIRBNB INC12020
CHANG CHIEN-HSING12017
CHENG CHE-CHANG12017
SDI CORP12017
YAO LIANG-LIANGself12017
Locations
LocationPatentsSpan
San Francisco, California, US12020
Chang Hua Hsien, TW12017