Inventor

Shaowen Song

Inventor

Waterloo, CA

Overview

5→

Patents

2003–2021

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

G11Cprimary

G11CStatic stores33%

LOC3233%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%

G06EOptical computing devices17%

PatentTitleYear

D0927809Nozzle for vacuum cleaner2021 D0926400Robotic vacuum cleaner2021 7,831,117'N-nary optical semiconductor transistor and an optical AND-gate'2010 6,778,303'N-valued optical logic architecture and method'2004 6,647,163'Optical memory apparatus and method'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2010Patents assigned to SONG SHAOWEN (3)· patent assignee history

2003–2010Based in Waterloo, CA· patent location history

2021Patents assigned to LG ELECTRONICS INC (2)· patent assignee history

2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONG SHAOWENself	3	2003–2010
LG ELECTRONICS INC	2	2021

Locations

Location	Patents	Span
Waterloo, CA	3	2003–2010
Seoul, KR	2	2021