Inventor

Hongchang Bao

Inventor
Tokyo, JP

Overview

6→
Patents
2005–2021
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G10Lprimary
G10LSpeech analysis techniques or speech synthesis33%
G02BOptical elements, systems or apparatus8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
H02NElectric machines not otherwise provided for8%
H04NPictorial communication, e.g. television8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y02PClimate change mitigation technologies in the production or processing of goods8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2009Patents assigned to SONY CORP (4)· patent assignee history
2005–2009Based in Tokyo, JP· patent location history
2021Patents assigned to BEIJING BOE DISPLAY TECH CO (2)· patent assignee history
2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (2)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP42005–2009
BEIJING BOE DISPLAY TECH CO22021
BOE TECHNOLOGY GROUP CO LTD22021
Locations
LocationPatentsSpan
Tokyo, JP42005–2009
Beijing, CN22021