Inventor

DA SONG

Inventor
US

Overview

5→
Patents
2022–2025
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

G01Jprimary
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light17%
H01JElectric discharge tubes or discharge lamps17%
H01LSemiconductor devices11%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
F01DNon-positive displacement machines or engines, e.g. steam turbines6%
F01KSteam engine plants6%
F22BMethods of steam generation6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G21DNuclear power plant6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to IBM (1)· patent assignee history
2022–2025Based in US· patent location history
2024–2025Patents assigned to TOKYO ELECTRON LTD (3)· patent assignee history
2025Patents assigned to SHANDONG NUCLEAR POWER COMPANY LTD (1)· patent assignee history
2025Patents assigned to STATE NUCLEAR ELECTRIC POWER PLANNING DESIGN & RES INSTITUTE CO LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO ELECTRON LTD32024–2025
IBM12022
SHANDONG NUCLEAR POWER COMPANY LTD12025
STATE NUCLEAR ELECTRIC POWER PLANNING DESIGN & RES INSTITUTE CO LTD12025
Locations
LocationPatentsSpan
US42022–2025
CN12025