Inventor

Donghai Yu

Inventor
Shenzhen, CN

Overview

4→
Patents
1997–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

A23Cprimary
A23CDairy products, e.g. milk, butter or cheese11%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for11%
A47JKitchen equipment11%
C07CAcyclic or carbocyclic compounds11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
H04LTransmission of digital information, e.g. telegraphic communication11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to KANSAI PAINT CO LTD (1)· patent assignee history
1997Based in Tokyo, JP· patent location history
2014Patents assigned to JINAN CHENGHUISHUANGDA CHEMICAL INDUSTRY CO LTD (1)· patent assignee history
2014Based in Jinan, CN· patent location history
2015Patents assigned to KONINKL PHILIPS NV (1)· patent assignee history
2015Patents assigned to KUI XIAOYUN (1)· patent assignee history
2015Based in Shanghai, CN· patent location history
2016Patents assigned to TENCENT TECH SHENZHEN CO LTD (1)· patent assignee history
2016Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JINAN CHENGHUISHUANGDA CHEMICAL INDUSTRY CO LTD12014
KANSAI PAINT CO LTD11997
KONINKL PHILIPS NV12015
KUI XIAOYUN12015
TENCENT TECH SHENZHEN CO LTD12016
Locations
LocationPatentsSpan
Shenzhen, CN12016
Shanghai, CN12015
Jinan, CN12014
Tokyo, JP11997