Inventor

Qichuan Yu

Inventor
Singapore, SG

Overview

5→
Patents
2015–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes7%
B29CShaping or joining of plastics7%
B29DProducing particular articles from plastics or from substances in a plastic state7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08LCompositions of macromolecular compounds7%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G02BOptical elements, systems or apparatus7%
H01LSemiconductor devices7%
H01RElectrically-conductive connections7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to ANRAKU YASUTAKA (1)· patent assignee history
2015Patents assigned to KATAOKA KAZUNORI (1)· patent assignee history
2015Patents assigned to KISHIMURA AKIHIRO (1)· patent assignee history
2015Based in Hino, JP· patent location history
2018Based in Redmond, WA, US· patent location history
2021Patents assigned to AMS SENSORS SINGAPORE PTE LTD (1)· patent assignee history
2021Patents assigned to HEPTAGON MICRO OPTICS PTE LTD (1)· patent assignee history
2021Based in Singapore, SG· patent location history
2021Based in Zhuhai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMS SENSORS SINGAPORE PTE LTD12021
ANRAKU YASUTAKA12015
HEPTAGON MICRO OPTICS PTE LTD12021
KATAOKA KAZUNORI12015
KISHIMURA AKIHIRO12015
Locations
LocationPatentsSpan
Singapore, SG22021
Zhuhai, CN12021
Redmond, Washington, US12018
Hino, JP12015