Inventor

Tomofumi Oba

Inventor
Miyagi, JP

Overview

5→
Patents
1996–2021
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.

C23Cprimary
C23CCoating metallic material12%
B82YSpecific uses or applications of nanostructures8%
H01BCables8%
H01LSemiconductor devices8%
H05KPrinted circuits8%
H10DInorganic electric semiconductor devices8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
H10KOrganic electric solid-state devices8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to FRONTEC INC (2)· patent assignee history
1996–1997Patents assigned to OHMI TADAHIRO (2)· patent assignee history
1996Based in Sendai, JP· patent location history
1997–2021Based in Miyagi, JP· patent location history
2006–2018Patents assigned to ALPS ELECTRIC CO LTD (2)· patent assignee history
2021Patents assigned to ALPS ALPINE CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD22006–2018
FRONTEC INC21996–1997
OHMI TADAHIRO21996–1997
ALPS ALPINE CO LTD12021
Locations
LocationPatentsSpan
Miyagi, JP41997–2021
Sendai, JP11996