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Inventor

Koji Sumi

Inventor
Shiojiri, JP

Overview

2→
Patents
2014–2021
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.

H01Lprimary
H01LSemiconductor devices33%
B41JTypewriters17%
H10HInorganic light-emitting semiconductor devices having potential barriers17%
H10NElectric solid-state devices not otherwise provided for17%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
PatentTitleYear
10,937,942Piezoelectric element and piezoelectric element-applied device20218,885,988'Optical module'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to ONOBUCHI SEIGO (1)· patent assignee history
2014Patents assigned to SUMI KOSUKE (1)· patent assignee history
2014Patents assigned to TOSHIBA KK (1)· patent assignee history
2014Based in Fukuoka, JP· patent location history
2021Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2021Based in Shiojiri, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ONOBUCHI SEIGO12014
SEIKO EPSON CORP12021
SUMI KOSUKEself12014
TOSHIBA KK12014
Locations
LocationPatentsSpan
Shiojiri, JP12021
Fukuoka, JP12014