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Inventor

Li Zeng

Inventor
Shenzhen, CN

Overview

3→
Patents
2006–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
C02FTreatment of water, waste water, sewage, or sludge8%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse8%
C07KPeptides8%
C12MApparatus for enzymology or microbiology8%
H04BTransmission8%
H04JMultiplex communication8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
11,095,386Add/drop filter and optical add/drop multiplexer202110,994,000Rabbit coccidiosis vaccine and application thereof20217,014,768'Process for removal and recovery of nutrients from digested manure or other organic wastes'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to ALBERTA RES COUNCIL (1)· patent assignee history
2006Based in Vegreville, CA· patent location history
2021Patents assigned to FOSHAN STANDARD BIO TECH CO LTD (1)· patent assignee history
2021Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2021Based in Shenzhen, CN· patent location history
2021Based in Foshan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALBERTA RES COUNCIL12006
FOSHAN STANDARD BIO TECH CO LTD12021
HUAWEI TECH CO LTD12021
Locations
LocationPatentsSpan
Shenzhen, CN12021
Foshan, CN12021
Vegreville, CA12006