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Inventor

Guohui Bai

Inventor
Zhejiang Province, CN

Overview

2→
Patents
1996–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

G10Fprimary
G10FAutomatic musical instruments33%
H03KPulse technique33%
H05BElectric heating33%
PatentTitleYear
10,791,598Electronic color temperature adjustment circuit20205,543,577'Construction of music box'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to NINGBO DONGFANG MUSIC MOVEMENT (1)· patent assignee history
1996Based in Ningbo, CN· patent location history
2020Patents assigned to NINGBO JINGHUI OPTO ELECTRONIC CO LTD (1)· patent assignee history
2020Based in Zhejiang Province, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NINGBO DONGFANG MUSIC MOVEMENT11996
NINGBO JINGHUI OPTO ELECTRONIC CO LTD12020
Locations
LocationPatentsSpan
Zhejiang Province, CN12020
Ningbo, CN11996