Inventor

Tong Zheng

Inventor

Shenzhen, CN

Overview

2000–2021

Patent span

Physics

Primary field (CPC G)

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

LOC14primary

LOC1420%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

A45BWalking sticks10%

E04FFinishing work on buildings, e.g. stairs, floors10%

E04HBuildings or like structures for particular purposes10%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes10%

G06TImage data processing or generation, in general10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to HEWLETT PACKARD CO (1)· patent assignee history

2000–2001Based in Mountain View, CA, US· patent location history

2001Patents assigned to CANON KK (1)· patent assignee history

2006Patents assigned to RUDOLPH TECHNOLOGIES INC (1)· patent assignee history

2006Based in Rockaway, NJ, US· patent location history

2020Patents assigned to ZHENG TONG (2)· patent assignee history

2020Based in Shenzhen, CN· patent location history

2021Patents assigned to ZENITHEN USA LLC (1)· patent assignee history

2021Based in Fujian, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations